SATISH CHANDRA MEMORIAL SCHOOL PERIODIC TEST II ( ) CLASS VII ENGLISH (MODEL QUESTION PAPER) Maximum Marks: 50

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1 SATISH CHANDRA MEMORIAL SCHOOL PERIODIC TEST II ( ) CLASS VII ENGLISH (MODEL QUESTION PAPER) Maximum Marks: 50 SECTION A - READING 20 Marks 1.Read the following passage carefully and answer the questions that follow The cactus is a plant which grows in very hot, dry places. They do not have leaves. Instead, they Have spiny needles which stick out of their stems. There are many shapes of the cactus. Some are small and round. Others are tall like columns or pillars. Some are shaped like tubes or bells. Some are shaped like wheels. Some grow as trees or shrubs. Others grow as ground cover. Cactus flowers are big, and some of them bloom at night. Their flowers come out at night because they are pollinated by insects or small animals that come out at night. Insects and small animals carry pollen from one cactus to another. Most cacti live in North and South America. Others live in Africa, Madagascar, and Sri Lanka. Cacti do not have very large leaves because large leaves would allow the water to evaporate. When water evaporates, it changes from a liquid to a gas. When it becomes a gas, it is light enough to move through the air. That would be bad for the cactus because the cactus needs the water to live. Some cacti have waxy coatings on their stems, so that water will run down the stem to the roots. Cacti can absorb water from fog in the air since it does not rain very much in the desert. Most cacti have long roots which can spread out close to the surface so they can absorb a lot of water on the occasions when it rains. A.Tick the correct option (1X4=4) 1) What do cacti have instead of leaves? i.stems ii. Tubes iii. Pillars iv. Needles Key Points: iv. 2) How are cacti shaped? i.like balls ii. Like tubes iii. Like wheels iv. All of the above Key Points: iv. 3) Where do most cacti grow? i.north and South America ii. Southern Europe iii.antarctica iv. Asia Key Points: iv

2 4) Cacti prevent evaporation of water by i.growing small leaves. ii. growing small stems. iii. growing large leaves. iv. growing deep roots. Key Points: iv. B. Complete the following sentences with information from the text. (2X2=4) i) Cacti bloom at night because. ii) When water evaporates, it would be bad for the cactus because. Key Points:i. because they are pollinated by insects or small animals that come out at night. ii. the cactus needs the water to live. C. A synonym for requires is (1X1=1) i.leaves ii. needs. iii.consumes. iv. All of the above Key Points: ii. D.Give appropriate antonym of small from the passage (1X1=1) i.big ii. grow iii.spiny iv. bad Key Points:i SECTION B WRITING AND GRAMMAR- 20 MARKS 2. You are Vivek. You have received a telephone call for your friend Rajesh from one of his clients, Mr. Satish that the meeting fixed for 15th February has been postponed to 20th February at 11 am at his chamber. He also added that he should also carry his laptop. Write a message in 50 words. (1X4=4)

3 3. Write a short Paragraph on A Visit to an International Film Festival (1x6=6) Key Points: name of the place where it is held / time period of the festival / participating countries/ theme of the festival if any/ the film that you watched/ did you enjoy it? give your opinion about it./ 4. Fill in the blanks with must/should/needn t. (1x5=5) i. We.pay our taxes in time. ii. Walk fast lest you. miss the train. iii. They are so much alike. They..be real brothers. iv. The government..uplift the poor and the down trodden. v. I have withdrawn money through ATM. Now you...go to the bank. Key Points: i. must / should ii. Should, iii. Must. iv must. v. needn t 5. Combine two sentences using a participle (1x5=5) i. I didn t know what to do. I phoned the police. ii. He lived alone. He had been forgotten by everybody. iii. The old man sat outside. He was smoking his pipe. iv. The girl entered the room. She was singing a song. Key Points: i. Not knowing what to do I phoned the police. ii. Living alone he had been forgotten by everybody. iii. The old man sat outside smoking his pipe. iv. The girl entered the room singing. SECTION C LITERATURE 20 MARKS 6.Read the following extract and answer the following questions. (1x3=3) People wont wait. He lost everybody i.who is referred to he in this extract? ii. Why did he lose everybody? iii. What made the people wait? Key Points: i. Mr. Gessler is referred to he in this extract. ii. It is because of his wrong strategy in his business though he was the best shoemaker in London and made boots which lasted long. iii. I was not punctual with his work and was always late in delivering the finished items.

4 7.Answer the following questions in30-40 words (2x4=8) i.who was Mr.Gessler? From where did he come? ii. Who was Ramesh? What information did Seven get from Ramesh? Key points: i.mr. Gessler was a German shoemaker. He was German but settled in London. ii. Ramesh worked in the restaurant from where Mr.Nath ordered his meals. Seven came to knoe from Ramesh that Mr. Nath takes two meals every morning and evening, and two cups of tea, one in the morning and one in the afternoon. 8.Answer any one of the following question in words. (1x4=4) i.why, according to the new tenant, was Mr. Gessler a failure in business? ii.what did Maya think about the patient? Key Points: i. It is because he took long time to deliver the boots and sometimes it made the customers impatient though he made best boots with right fit and good leather. ii. Maya thought the patient, Mr. Nath to be the criminal who has been the victim in a shoot out with police. She is always suspicious about Mr. Nath s activities. 9. Answer any one of the following questions in words (1x5=5) i. Discuss the character of Mr.Nath according to the understanding of Nishad. ii.in what ways can we save trees? Key Points: i. Nishad thinks Mr Nath to be a strange person who is very lonely and poor. Nishad is very sympathetic towards him unlike Maya. ii. We can save the trees by minimizing deforestation. Also we can plant more trees in open land and maximize the green world.

5 SATISH CHANDRA MEMORIAL SCHOOL MODEL QUESTION PAPER FOR POST MID TERM EXAM ( ) CLASS VII SUB HINDI (2 nd Language) स हहत म :- 1. ऩर श क ऩ ड़ ऩय ख र र र-र र प र ककसक सभ न रग यह थ? उ : ऩर श क ऩ ड़ ऩय ख र र र-र र प र अ ग ठ क सभ न रग यह थ 2. श भ कफ स श र ह ई? तफ स र कय स यज ड फन भ ककतन सभम रग? उ : श भ कय फ 6 फज श र ह ई तफ स र कय स यज ड फन भ कय फ एक घ ट क सभम रग उस द य न स यज ध य -ध य ग मफ ह आ, एकदभ स नह 3. इस कव त क च त र त कयन क लरए ककन-ककन य ग क प रम ग कयन ह ग? उ : इस कव त क च त र त कयन क लरए हभ न र, ऩ र, ब य, र र, सफ़ द, क र, स नहय, हय, फ गन आहद अन क य ग क आ श मकत ऩड़ ग 4. कव त भ ककसक श भ क र ऩ भ दश म गम ह? क म? उ : एक ककस न क श भ क र ऩ भ दश म गम ह क म कक ऩ य हदन क भ हनत कयन क फ द एक ककस न ह ऐस थककय फ ठत ह 5. श भ क सभम ऩ औय ख र ड़ क म -क म कयत ह? उ : श भ क सभम ऩ अऩन -अऩन घ सर भ र ट आत ह श भ क सभम ख र ड़ अऩन अभ म स म र क सभ प त कय आय भ कयत ह 6. क भ द य स ऩह न र क लरए क म ननमभ थ? उ : क भ द य स ऩह न र क ऩ छ फ ठन ऩड़त थ 7. छ ट ज य भ क म य थ? उ : छ ट ज य भ हय रक य र सफ़ द ग र क, छ ट आ र ज स य थ 8. अप ऩ क वऩत ज उस क न-क न स ज़ र कय द त थ? उ : अप ऩ क वऩत ज उस कर ट, वऩऩयभ ट औय त रफस क ट र कय द त थ 9. क भ भ स टयज न य रग ड़ क फ य भ क म फत म? उ : क भ भ स टयज न कह कक य रग ड़ क ब ऩ क ग ड़ ब कहत ह क म कक उसक म ब ऩ क शक क त स ह रत ह 10. अप ऩ क क सड़क ऩय क स त रफ य गए? उ : जफ अप ऩ न ऩ टर रकय द न क ननश म ककम फस त न य औय ऩ टर रन रग तब उसक स य क सड़क ऩय त रफ य गए 11. हभ य नऩ न क स स क नत भ एक फड़ फदर ककतन स र भ आम ह? उ : हभ य नऩ न क स स क नत भ एक फड़ फदर वऩछर दस-ऩ द रह स र भ आम ह 12. नऩ न क फदर स स क नत न ककस सफस ज म द प रब व त ककस ककम ह? उ : नऩ न क फदर स स क नत न नई ऩ ढ़ क सफस ज म द प रब व त ककस ककम ह 13. नऩ न क ज़ एक प रद श स द सय प रद श भ क स ऩह? उ : उद म ग-ध ध, न करयम -तफ दर क क यण नऩ न क ज़ एक प रद श स द सय प रद श भ ऩह

6 14. अकसय प र नतब ज औय ऩ हट म भ क म गड डभड ड ह ज त ह? उ : अकसय प र नतब ज औय ऩ हट म भ एक स थ ढ य व म जन य द ज त ह क जसक क यण उनक स द गड डभड ड ह ज त ह 15. स थ न म व म जन क क म ह न जर य ह? उ : स थ न म व म जन क ऩ नर द ध य ह न जर य ह व म कयण :- 16. भ र स थ ककस कहत ह? उद हयण द उ : इस अ स थ भ ककस क ककस स त रन नह ह त ह इसभ व मक क त म स त क ग ण-द ष क भ लरक स र ऩ प रकट ह त ह उद हयण : स न र कभज़ य छ ह 17. ननम नलरख त व श षण शब द क उत तय स थ औय उत तभ स थ लरख ए :- उ : क) म ग म - म ग मतय म ग मतभ उ : ) अच छ - फ हतय फ हतय न 18. ग ण क व श षण ककस कहत ह? उद हयण द उ : क जस व श षण स स म स न भ क ग ण अथ त र ऩ, स ब आहद क न ह, उस ग ण क व श षण कहत ह उद हयण : श र क ष ण न ऩ र स ऩहन ह 19 क म ककस कहत ह? उद हयण द उ : क जस शब द स ककस क म क ह न म कयन व मक त ह, उस क म कहत ह उद हयण : यभ श तफर फज त ह 20. अकभ क क म ककस कहत ह? उद हयण द उ : क जन क म ओ क स थ कभ नह ह त, उन ह अकभ क क म कहत ह उद हयण : कयण रत ह 21. ननम नलरख त क सह मत स न भध त क म ए फन इए :- उ : र त - रनतम न, अऩन - अऩन न 22. ननम नलरख त शब द क द -द अथ लरख ए :- क) उत तय - ज फ, हदश व श ष ) ग र - श र ष ठ, फड़ 23. ननम नलरख त क म श क लरए एक शब द लरख ए :- क) क जसभ ज नन क इच छ ह - क ज स ) क जस ज त न ज सक - अज म 24. सभ स ककस कहत ह? उद हयण द उ : अन क शब द क स क ष प त कयक नए शब द फन न क प रक म सभ स कहर त ह उद हयण - न य त र - न य त र म क सभ ह 25. कत क यक ककस कहत ह? उ : स म स न भ क क जस र ऩ स क म क कयन र क फ ध ह, उस कत क यक कहत ह 26. स प रद न क यक क द उद हयण लर

7 उ : क) फ आ ज न स हन क क क हदम ) भ भ ज स न ह क लरए आभ र ए 27. ननम नलरख त शब द क द -द ऩम म शब द लर : - उ : क) ह - अननर, सभ य ) धन - भ द र, द रत 28. ननम न शब द क व र भ शब द लर :- उ : क) अ ध य - उज र ) ज त - ह य 29. ननम न उऩसग स द -द शब द फन ओ :- उ : क) उन - उनत स, उनसठ ) आ - आज न, आजन भ 30. ननम न प रत मम स द -द शब द फन ओ :- उ : क) आई - लर ई, ऩढ़ ई ) न - स घन, ओढ़न MODEL PAPER MATHS CLASS VII 1.What is 15% of 20? Answer What is 800% of 800? Answer What is 100% of 500? Answer What per cent of 1 hour is 30 minutes? Answer 50% 5. 30% of 3000 Answer What per cent of 1 km is 1000 metres? Answer 1% 7. Find out 8% of 25 kg.

8 Answer % of the population of a town are men and 40% are women. What is the percentage of children? Answer 15% 9. The strength of a school is If 40 % of the students are girls then how many boys are there in the school? Answer By which of the following criterion two triangles cannot be proved congruent? a.aaa b.sss c.rhs answer AAA 11: The range of the data 14, 6, 12, 17, 21, 10, 4, 3 is (a) 21 (b) 17 (c) 18 (d) 11 answer is (c) 12 The mode of the data 23, 26, 22, 29, 23, 29, 26, 29, 22, 23 is (a) 23 and 29 (b) 23 only (c) 29 only (d) 26 only answer (a) 13: The median of the data 40, 50, 99, 68, 98, 60, 94 is (a) 40 (b) 60 (c) 68 (d) 99 Solution answer is (c) 14. The mean of first five prime numbers is. Solution: 5. [Hint : First five prime numbers are 2, 3, 5, 7 and 11] 15. Draw a double bar graph of number of male and female. city DELHI GOA M.P W.B U.P BIHAR male female HINT: USE BAR GRAPH AND TAKE SCALE 1 SQUARE UNIT =100

9 for 4 years on a If Meenakshee pays an interest of 2500, find the rate of interest per annum. Ans 15% 17.find the whole quantity if 10% of it is 800 Answer find the whole quantity if 15%of it is 1050 Answer mitali buys a TV at rupees and sell it at a profit of 20%.How much money she gets Answer convert into % 2:3:4 21. what rate gives an interest of rupees 540 on a sum of rupees in three years Answer 1% 22.calculate interest if principal =rupees1500 rate 8% Answer calculate interest if principal=rupees 7500 rate 5% Answer out of voters 48% voted find the number of voters who didn t vote Answer if rupees 500 has divided among A,B, C in the ratio of 1:3:6 then how much money each will get in %. Answer=10%,B=30%,C=60% 26.define mode,average 27.find mode 1,2,3,5,6,7,2,1,4,6,1,1, Answer what are the different criteria for congruence of triangle Answer ncert page find mean and range 40,38,33,23,26,32,41,28,54,35 Answer mean = 35,range= draw a bar diagram class 5th 6th 7th 8th 9th Number of children Answer hint draw in a graph paper scale 1 square unit = 10children

10 Model Question paper Post Mid term Exam Class : VII Session: Fill in the blanks 1. Guru Angad added his own compositions in a new script called. Answer: Gurumukhi 2. Muslim scholars developed a new law called. Answer: Shariat 3. propounded the idea of Vishishtadvaita. Answer: Ramanuja 4. The community of Sikhs, called the became a political entity. Answer: Khalsa panth 5. The holy scripture of Sikhs is called. Answer: Guru Granth Sahib Multiple Choice Questions 6. In the early centuries of the Common Era, were worshipped as supreme deities a. Shiva b. Vishnu c. Durga d. All of the above Answer: (d) All of the above 7. The went from place to place composing exquisite poems in praise of the deities enshrined in the villages they visited Sufis Nayanars AlvarsBoth b and c Answer: (d) Both b and c 8.The Virashaiva movement began in e. Uttar Pradesh f. Karnataka g. Maharashtra h. Assam Answer: (b) Karnataka 9. They are Vaishnavas who understand the pain of others. Who said this? i. Narsi Mehta

11 j. Basvanna k. Kabir l. Mirabai Answer: (a) Narsi Mehta 10. The Ramcharitmanas, composed by Tulsidas is written in m. Tamil n. Bhojpuri o. Awadhi p. Hindi Answer: (c) Awadhi 11. Name the important male saint poets of Maharashtra. Answer: Jnaneshwar, Namdev, Eknath and Tukaram 12. Who was Mirabai? Answer: Mirabai was a Rajput princess married into a royal family of Mewar in the 16th century. She became the disciple of a saint named Ravidas who was considered untouchable. She was devoted to Krishna and expressed her devotion by composing many bhajans. Her songs openly challenged the existing norms of the upper castes. They also became very popular among the masses in Rajasthan and Gujarat. 13. Describe the kind of Bhakti that existed in South India. Answer: A new kind of bhakti evolved in South India in the seventh to ninth century, comprising of the emergence of new religious movements which were led by Nayanars and Alvars. Nayanars were saints devoted to Shiva and Alvars were saints devoted to Vishnu. They belonged to all castes, including the ones who were considered untouchable like the Pulaiyar and Panars. They were highly critical of the Buddhists and Jainas and preached the ardent love of Shiva or Vishnu as the path to salvation. They preached the ideas of love and heroism found in the Sangam literature and blended them with the values of bhakti. Sangam literature is the earliest example of Tamil literature, composed during the early centuries of the Common Era. 13..Describe the Ahom society. Answer: The Ahom society was divided into clans or khels. The artisan community had very few castes, hence artisans in the Ahom areas came from adjoining kingdoms. A khel often controlled many villages. The peasant was given land by his village community which could not be taken away even by the king without the community s consent. The Ahom society was quite sophisticated. Theatre was encouraged. Poets and scholars were given land grants. Important works in Sanskrit were translated into

12 the local language; even historical works were written. These were written first in the Ahom language and then in Assamese. These were known as buranjis. Write in detail about the changes in the social aspects in the subcontinent during the period. 14..The Gonds practiced cultivation. Answer: Shifting 15. Gradually, became the basis of organizing society. Answer: Jatis 16. were the most important trader-nomads. Answer: Banjaras 17. attacked and defeated the Cheros in Answer: Raja Man Singh 18.Garha Katanga was attacked by the Mughals forces under. Answer: Asaf Khan 19..By the century Chero chiefdoms had emerged in the regions of present-day Bihar and Jharkhand? th th th th Answer: (b) 12 th 20. How did the Garha Katanga gain its wealth? Answer: By trapping and exporting wild elephants to other kingdoms. 21.Why and when did the Ahoms use firearms? Answer: Firearms were used for building a large state. It was used by the Ahoms in the 1530s. 22. Organizing a rally, starting a signature campaign etc are some ways of Answer: Public protest 23. Advertising is a way of for the media. Answer: revenue 24. TV, newspapers and radio are also called. Answer: Mass media

13 25. and are recent phenomena in the technological aspect of media. Answer: Cable TV, Internet 26. Write briefly about censorship. Answer: The government has powers to disallow media from publishing or showing certain stories. This power is called censorship. This power could be about disallowing a news item, scenes of a movie or lyrics of a song from being shared with the masses. There have been periods when the government censored the media; the worst of these being the Emergency between 1975 to Give example of cases where the media has failed to focus on issues significant for our lives. Answer: The following are the important issues that the media has failed to focus on: Unsafe drinking water: Every year thousands of people die due to illness caused by contaminated water. But media seldom discusses this issue. Slum demolition: There have been instances where the media chooses one issue over the other when they are happening simultaneously. There has been a report by a renowned journalist about media covering the Fashion Week in which popular designers show their new creations to the elite class; and ignoring the slum demolition that was going on in Mumbai in that week. 26. What do you mean by social advertisements? Answer: Social advertisements are the advertisements made by the State or private agencies. They have a larger message for the society. For example advertisement regarding building of toilets in each home to ensure health and sanitation of the people is a social advertisement. Advertisement giving simple steps for preventing dengue is also a social advertisement. 27. Write a note on the role of advertising. Answer: Though branding, at the outset differentiates the products from non-branded ones; it is not enough. This is because there are a number of brands available in the market. It is very important to differentiate one brand from another. This is where the role of advertising comes in. Advertising helps in Differentiating the product from that of the competitors. Convincing people to buy the concerned product. 28.Write briefly about brand values and social values. Answer: Advertisements have a significant place in our social and cultural life. We discuss the advertisements we watch/hear or read and also tend to judge people based on the brand products they use. Social values and personal emotions are used so that people are easily convinced to buy the product. Such strategies work well in a culturally rich nation like ours.

14 29. Why does the ground of the rainforest remain dark and damp? Answer: Because the dense and thick growth of trees does not allow sunlight to reach the ground. 30. Name the areas the Amazon River basin drains. Answer: Portions of Brazil, parts of Peru, Bolivia, Ecuador, Columbia and a small part of Venezuela. 31.What are the animals found in the rainforests? Answer: Monkeys, sloth, ant-eating tapirs, crocodiles, pythons, anaconda, Piranha fish and other variety of fishes. 32. Name the main features of the Ganga-Brahmaputra basin. Answer: The main features of this basin are the plains of the Ganga and the Brahmaputra, the mountains and the foothills of the Himalayas and the Sundarbans delta. 33. Describe the flora and fauna of the Ganga- Brahmaputra basin. Answer: The flora and fauna of the Ganga-Brahmaputra region is as follows: Flora: In the Ganga Brahmaputra plain tropical deciduous trees grow, along with teak, sal and peepal. Brahmaputra plain has thick bamboo groves. The delta is covered with mangrove forests. Coniferous trees like pine, deodar and fir are found in Arunachal Pradesh, Assam and Sikkim. Fauna: There is a wide variety of wildlife in this basin. The common animals are monkeys, tigers, deer and elephants. The Brahmaputra plain has onehorned rhinoceros. In the delta area, Bengal tiger, crocodiles and alligator are found. There is abundant aquatic life too. Rohu, catla and hilsa are the most popular varieties of fish. 34. What is slash and burn agriculture? Answer: 8. Slash and burn agriculture is a way of cultivating land in which farmers cultivate a piece of land by slashing/cutting the trees and bushes. These are then burnt, which releases the nutrients in the soil. New crops are grown in this cleared field for a few years. Since the fertility of the land is lost after a few years of cultivation, the used land is abandoned and a new set of land is cleared for cultivation. In the mean time young trees grow in the old field. In this way soil fertility is restored. People can then return to the old land and start cultivating it again. 35. Map work: a. Tribe of central India.(any 2) b. Kanpur c. Brazil d. R.Gargara e. R.Son

15 MODEL QUESTIONS/NOV 18/SCIENCE/VII 1. What are the requirements for a plant to perform photosynthesis? 2. Name the mode of nutrition in which an organism feed on the dead and decaying matter. Also give one such example. 3. How will you test the presence of starch in leaves? 4. Write the role of stomach in the process of digestion. 5. Describe the process of digestion in Amoeba. 6. From which stage of the lifecycle of a silkworm silk is obtained? 7. Describe briefly the different steps of wool extraction from sheep. 8. Convert 35 o C into Fahrenheit. 9. Write 4 differences between laboratory thermometer and clinical thermometer. 10. Why calamine lotion is applied in case of an ant bite? 11. Write a chemical reaction to show a nutralisation reaction. 12. Describe the process of rusting with a chemical reaction. 13. Write two adaptive features of penguin. 14. Define the term climate. 15. How is wind formed? 16. How is a cyclone formed? 17. Why is loamy soil considered to be the best among the top soil? 18. List the differences between clayey soil and sandy soil. 19. Sultana conducted an experiment in the field related to the rater of percolation. She observed that it took 45 min for 180 ml of water to percolate through the soil sample. Calculate the rate of percolation. 20. Write four differences between anaerobic and aerobic respiration. 21. What are spiracles? 22. What is haemoglobin? Write its main and function. 23. Describe briefly the process of circulation of blood in human beings. 24. What are xylem and phloem? 25. What are bisexual flowers? Give one such example. 26. How does the process of fertilisastion take place in flowers? 27. What is a simple pendulum? Write its two uses. 28. Name the device that measures the distance covered by a car. 29. Draw the distance-time graph to show a uniform motion of a body. 30. Draw a closed electric circuit with- a) A switch or a key b) A bulb c) A three-celled battery 31. Why a fuse is necessary in an electric circuit? Name the device which is used now-a-days instead of a fuse. 32. How does an electromagnetic electric bell works? ** Consult your science class work copy and NCERT Text Book for the answers.

16 1z fënà ml Ešl c J : Class- VII Sub- Bengali (Model Question) Exam : post Mid-Term Lz l r p j Rl Qq l l hzñe c J (l r p j R cl Qq l l hzñe p hù¹ l mm h) Mz L ¹ l r p j Rl ENË qwpëa pçf ZÑ iæ fël«al - " iæ fël«al' Lb Le hm q u R h T u c Jz ( L eú L eú p d le qwpëa b L a l iæ p V E õm L l qwpëa l hzñe pq Ešl mm) Nz l r p j Rl BQ l BQlZ J qwpëa l f lqu c Jz (j R ml BQ l BQle J LR OVe l j dé j a cl qwpëa l f lqu c J) Oz "AÙ» nr ' L ha Vl houhù¹ pw r f mm Hhw HC L ha f W L nr m i Ll k u h T u c Jz (L ha l A ¹ eñ qa AbÑ m M h Ù¹h S h el pw k N p œ E õm) Pz " â Z Q kñ el Mu ql oa je'- L c M Hhw Le â e Q kñl je qø q u Rm? (fëp E õm L l OVe pq â Z Q kñl q ø qju l L le mm h) Qz f äh J L±lh L j cl AÙ» fl r l L héhùû Ll q u Rm? ( L b u, LMe Li h pjnë B u S el hzñe mm h) 2z p WL Ešl c J : Lz "l r p j R' fëh ål lq ua pjl Sv Ll / N f mq¾cê i Q kñ / jªa É u q/ Mz k pjù¹ j Rl p b Bjl f l Qa a cl A e LC L jm / el q / c hñm fël«al

17 Nz l r p j Rl coñé C /13-15 C /16-18 C z Oz L j ll Q js - elj J jpªe/nš² J p N Wa / L jm J p N Wa Pz Bj cl c nl qwpë fël«al j R qm - Qam/L am / p P 3z kb kb Ešl c J : Lz j m në h d a l p L e fëaéu k š² q u R a mm x i) n Qe u = Ex (öqú+ae u) v) BS Ñ e = Ex (ASÑ e+oe) ii) X h ¹ = Ex (X h+a ¹) iii) h m u= Ex (hmú+c u) iv) h h u e = Ex (h h +Be ) Mz p å Ll J p å h µrc Llx i) nlv+q¾cê = nlµq¾cê ii) k hv+s he = k h he iii) Ev+ mm = E õm iv) pj+ k N = pw k N v) pwm f = pjú + m f vi) hªrµr u = hªr + R u vii) EµQ le = Ev + Q le viii) fü a = fcú + q a vi) d añ j = Ex (d añ+b j) vii) e Q = Ex (e Q+B) vii) i a = Ex (i +š²) Nz E ŸnÉ J h du L L h m? Li h a cl pçfëp la Ll qu Ec qle c u h T Jz (pw mm hz c V h LÉ m M fëb j E ŸnÉ h du Q q²a L l pçfëp le Ll h, fc m Q q²a Ll h) l j h S l k µr E ŸnÉ h du né jh h l i C l j E ŸnÉ pçfëp le j Vl N s e u h S l k µr h du pçfëp le

18 Oz L ll J hi š² ezñu Llx i) B j c nl SeÉ ph ch z( e jš L ll) ii) pl m b L h cm qm g l u Hm hm (Af c e) iii) O l a ïjl Hm (A dlle H a hi š²) 4z jq i la i) h¾c p l h ll ia l L L BÕQkÑ S ep Rm? ii) jn dl l S l e j L? iii) l Sp u k l e L e l S C ¾cÊl ph u p M h p Ll R me? iv) La j p d l pi Ol fëù¹ a q u Rm? v) jn dl l S l pe f al e j L?