Jh Venkateshwar International School Sector-18, Dwarka, New Delhi-78 Holiday Homework Worksheet (2017-18) CLASS-XI ENGLISH Section A Writing Q.1 Schools have been closed due to excessive air-pollution. Prepare a poster to bring out awareness for a clean environment. Q.2 On behalf of your parents draft a formal invitation to be sent to your friends and relatives on the occasion of their fiftieth wedding anniversary. Q.3 As the Principal of a reputed college, you have been invited to inaugurate a book exhibition in your neighbourhood. Draft a reply to the invitation in not more than 50 words, expressing your inability to attend the function. Section B Literature Q.4 In the poem Childhood written by Markus Nathen, the poet found adults hypocrites. Justify the statement. (80-100 words) Q.5 How does the end of the play justify the title Mother s Day? (80-100 words) Q.6 We have not inherited this earth from our forefathers; we have borrowed it from our children. Justify this statement with reference to the article The Ailing Planet: The Green Movement s Role written by Nani Palkhivala. (200-250 words) Note: Revise Integrated Grammar and Note Making exercises from SLM. MATHEMATICS STRAIGHT LINES 1. Find the slope of the line, which makes an angle of 30 with the positive direction of y-axis measured anticlockwise. 2. The slope of a line is double of the slope of another line and the tangent of the angle between them is given as 1/ 3, find the slope of the lines. 3. The base of an equilateral triangle with side 2a lies along the y-axis such that the mid-point of the base is at the origin. Find vertices of the triangle. 4. Without using the Pythagoras theorem, show that the points (4, 4), (3, 5) and ( 1, 1) are the vertices of a right angled triangle. 5. Find the equation of the straight line which makes an angle of 15 0 with the positive direction of x-axis & which cuts an intercept of length 4 on the negative direction of y-axis. 6. Find the equation of line which cuts off an intercept 4 from the x-axis and makes an angle of 30 0 with the y-axis. 1
7. Find the equation of the straight line which passes through the point (1, 2) and makes an angle θ with the positive direction of x-axis where cosθ = 1/3. 8. The length L (in centimetrs) of a copper rod is a linear function of its Celsius temperature C. In an experiment, if L = 124.942 when C = 20 and L = 125.134 when C = 110, express L in terms of C. 9. A line through the point A (2, 0) which makes an angle of 30 0 with the positive direction of x - axis is rotated about A in clockwise direction through an angle 15 0. Find the equation of straight line in the new position. 10. Find the equations of the lines, which cut-off intercepts on the axes whose sum and product are 1 and 6, respectively. 11. Find the equation of the line passing through the point of intersection of the lines 4x + 7y 3 = 0 and 2x 3y + 1 = 0 that has equal intercepts on the axes. 12. Find the equation of the straight line (s) which cut off an intercept 4 from the y-axis and are equally inclined to the axes. 13. Find the equation of line through (3, 4) and parallel to the line y = 3x + 5. 14. Find the equation of the straight line passing through the point (2, 3) and perpendicular to the line 4x - 3y - 10 = 0. 15. Find the area of the triangle formed by the lines y x = 0, x + y = 0 and x k = 0. 16. Find the image of the point ( 8, 12) with respect to the line mirror 4x + 7y + 13 = 0. 17. Find the angle between the lines y - 3 x 5 = 0 and 3 y - x + 6 = 0. 18. Find the distance between the lines 15x + 8y - 34 = 0 and 15x + 8y + 31 = 0. 19. Find the values of θ and p, if the equation x cos θ + y sinθ = p is the normal form of the line 3 x + y +2 = 0. 20. At what point the origin be shifted, if the coordinates of a point (4, 5) becomes ( 3, 9)? BUSINESS STUDIES Chapter 7 Sources of Finance 1. A company requires funds to meet its working capital. State the sources available. 2. What are public deposits? 3. Explain any two merits of trade credit. 4. Differentiate between cumulative and non-cumulative preference shares. 5. Why is debt capital a cheapest source of finance? 6. What are the demerits of financial institutions? Give any four. Chapter 8- Small Business 1. Give any two features of cottage industries. 2. What are the problems in a small business? Explain any five points. 3. How do small scale enterprises help in removing regional disparity? 4. Write a note on role of DICs for small business. 2
ACCOUNTANCY Chapter 17 Rectification of Errors 1. Pass journal entries to rectify the following errors: a) Machinery purchased for Rs. 5,000 has been debited to Purchases A/c. b) Typewriter purchased for Rs. 6,000 was wrongly passed through purchase book. c) Cash paid to Ram Rs. 400 was debited to the account of Shyam. d) A discount of Rs. 3,742 allowed to a customer has been credited to him as Rs. 3,648. e) A credit balance of Rs. 755 of Rent Received account was shown as Rs. 570. f) Rs. 1,000 being purchase return were posted to the debit of Discount account. 2. The trial balance prepared by a book keeper showed a difference of Rs. 1,006 which was placed in a newly opened Suspense account and carried forward to the next year, when the following errors were discovered: a) Goods purchased for Rs. 99 had been posted to the credit of the supplier as Rs. 990. b) Rs. 75 received as discount from a creditor was duly entered in his account but it was omitted to be posted to discount account. c) Sale of furniture for Rs. 1,400 had been entered in Sales book. d) Rs. 900 due from a customer were omitted to be taken to the schedule of sundry debtors. e) Goods of the value of Rs. 3,000 returned by a customer were taken into the stock but no entry was made in the books. f) Rs. 355 entered in the sales return book has been posted to the debit of the customer who returned the goods. Give journal entries to rectify the above errors and prepare Suspense A/c. Chapter 16 -Bills Of Exchange 3. On March4,2017, A purchased from B goods for Rs. 50,000. A paid 40% immediately and for the balance gave a promissory note to B payable after 30 days. B immediately endorsed the promissory note in favour of his creditor C for the full settlement of a debt of Rs. 31,000. On the due date the bill was dishonoured and C paid Rs. 100 as noting charges. On the same date C informed B about the dishonour of the bill. B settled his debt to C by cheque for Rs. 30,100 which includes noting charges. A settled B s claim by cheque for the same amount. Record the necessary journal entries in the books of A, B and C for the above transactions and A s and C s accounts in the books of B. ECONOMICS Chapter -10 Measures of Dispersion Practice following questions : Q1. Calculate range and its coefficient from the following data on marks obtained by 7 students. 10, 14, 18, 22, 45, 60, 65 3
Q2. The following are the prices of shares of ABC company Ltd., from Monday to Friday. Calculate range and its coefficient. Days Monday Tuesday Wednesday Thursday Friday Price ( ) 140 160 200 280 170 Q3. From the data given on wages, find range and its coefficient. Wages 100 200 300 400 500 600 700 No. of workers 18 22 37 15 26 42 60 Q4. Find range and its coefficient using the data given below. Marks 20-30 30-40 40-50 50-60 60-70 No. of students 28 14 32 60 70 Q5. Find inter-quartile range, quartile deviation and coefficient of quartile deviation from the following data: 30, 31, 40, 35, 47, 44, 42, 48, 50, 55, 56 Q6. Find out quartile deviation and its coefficient from the following data: Roll no. 1 2 3 4 5 Marks 10 20 30 40 50 Q7. Calculate inter-quartile range, quartile deviation and coefficient of quartile deviation from the following data. Marks 12 14 16 18 20 22 24 Number of students 3 4 2 3 4 3 4 Q8. Find out inter-quartile range, quartile deviation and coefficient of quartile deviation from the following information on wages and number of workers. Wages 0-10 10-20 20-30 30-40 40-50 50-60 No. of workers 10 5 5 10 5 15 Q9. Compute Quartile deviation and its coefficient from the following data. X 10-20 20-30 30-40 40-60 60-70 70-80 f 12 19 5 10 9 6 Q10. Calculate mean deviation and its coefficient from the following data. (use mean). X 10 15 20 25 30 F 4 6 8 10 12 Q11. Calculate mean deviation and its coefficient from the following data (use median). X 10 15 20 25 30 f 4 6 8 10 12 Q12. Calculate mean deviation and its co-efficient from the following data using arithmetic mean: X 2 4 6 8 10 12 14 16 f 2 2 4 5 3 2 1 1 Q13. Calculate mean deviation and its coefficient from median. Marks 100-120 120-140 140-160 160-180 180-200 No. of students 4 6 10 8 6 Q14. Calculate mean deviation and its coefficient using (i) Arithmetic mean (ii) Median. X 5-15 15-25 25-35 35-45 45-55 F 5 4 5 4 2 Q15. Calculate standard deviation (use direct method and short cut method) and its coefficient from the following data. X 2 8 10 12 f 1 1 3 5 4
Q1 Write the answers to following questions: MULTIMEDIA WEB TECHNOLOGY 1. Write about following operators: a. Relational b. Arithmetic c. Logical d. Conditional e. Increment f. Compound assignment 2. Explain the purpose of following statements in Javascript a. alert() b. prompt() c. confirm() 3. Explain the two selection statements in Javascript. Also write their syntax 4. What is the purpose of default and break statement in switch case. Explain with the help of an example. 5. Write a Javascript program to accept a number and check if it is divisible by 3 or not. I COMPUTER SCIENCE Assignment on functions and arrays 1. Write a c++ program to accept two numbers and print all the prime numbers between the two numbers. 2. Write a function in C++ which accepts an integer array and its size as arguments and replaces elements having even values with its half and elements having odd values with twice its value 3. Write a function in C++, which accepts an integer array and its size as arameters and rearranges the array in reverse. 4. Write a function in C++, which accepts an integer array and its size as arguments and swap the elements of every even location with its following odd location. 5. Write a function in C++ which accepts a 2D array of integers and its size as arguments and displays the elements which lie on diagonals. [Assuming the 2D Array to be a square matrix with odd dimension i.e., 3x3, 5x5,7x7 etc ] 5