1 20 of the workers. = 5:3:2 R will get : 1 = 1240

Transcription

1 Ans:)(b)Sol:- Let, the number of days R takes to complete the work = r Given that (/30 + /0 + /r) = ; r=7; The amount will be shared between P, Q and R in the ratio of : : = :3: R will get = Ans:2)(c)Sol: The total work days for finishing a web page are ( x 3)= 4. If, after one day, 9 programmers quit, only work days are done and the rest of the programmers i.e. 6 of them need to finish 30 work days. It will take them more days. The correct answer is (c). Ans-3)(d)Sol: Abhishek is traveling at twice the speed of Satya Prakash, and so will be after they double their speeds. The ratio between their speeds will always be 2: and the ratio between the distances they will pass will also be 2: or 60 Kms to 30 Kms. Abhishek will go through 60 Kms. The correct answer is (d) Ans:4)(d)Sol: Given, (280 m 3) = 4 W; Let, 'n' is the new number of men. (n m 7) = 3 4 W; (280 m 3)/ (n m 7) =( /4 3/4 ) n=360; Additional number of men= 80 Ans. (b) Let the average in innings = x Given (x+90)/2=x-4 x = 0 and hence the average after 2 innings will be - = 4 Ans 6 (d) Sol 33.33% Take it to be a square of side 90 cms: Area = 90 x 90 = 800 cm 2 New Area = =3600 cm 2 Side of the new square = 60 cms: Perimeter = 240 cms Percentage reduction in the perimeter = =33.33% 00 Ans 7(d) Sol LCM of, 2, 3, 4 and is 60, Assume the ration of chocolates as 60:30:20::2. The minimum number of chocolates will be =37 The amount of work done by Ajay on the first day = b; Since Ajay always takes 40% less time than Aamir, if the efficiency of Aamir doubles, Ajay s efficiency too doubles The amount of work done by Aamir and Ajay in 2 days = (a+b)+2(a+b) = 3(a+b) = Total work. If the efficiency remains constant, the amount of work done by Aamir and Ajay remains constant on every day. Total amount of work done by Aamir and Ajay in one day= (a+b). To complete total work i.e. 3(a+b), they take 3 days. Ans:(d) Sol: First, calculate the fraction of the 2 managerial workers out of the total number of workers by subtracting the fractions given from The 2 managerial workers are Therefore, total number of workers = of the workers. Ans:2)(c) Sol: The total income is (24-24/3)x200 = The cost is 24X, and the total profit is 3200 C.P. = Double the C.P X = 48X. X=200/9. The correct answer is (c). Ans:3)(d) When the hands of the clock are in the same straight line but not together, they are 30 minute spaces apart. At 7 o'clock, they are 2 min. spaces apart. Minute hand will have to gain only min. spaces. min. spaces are gained in 60 min. min. space are gained in ( 60 ) min = min. Required time= min. past 7 Ans:4)(b) Let the total profit be Rs. 00. After paying to charity, A s share=rs.9 3 = Rs. 7. If A's share is Rs. 7, total profit = Rs. 00. If A s share Rs.8, total profit = 00 8 = Ans:)(d) One of AB, AD and CD must have given. Ans. 8(b) Sol: 80 Let the usual time that Ram takes is t Applying the formula D=SxT: 60 (t ) = 80 [t ] Distance 60 ( ) = 80 kms Ans:9(c)Sol: (A-B) + (B-C) = 2+6 = 8 seconds Ans:0(b) Sol: Let the amount of work done by Aamir on the first day = a; So, the data is inadequate. Ans:6)(b) Let the required number of days be x. Less persons, More days (Indirect Proportion)

2 More working hours per day, Less days (Indirect Proportion) Persons 30 :39 Working hours/day 6 : x = 30 x 6 x x = 39 x x 2 (39 2) (30 6) x = 3. :: 2 : x Ans:7)(d) Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years. (2x + 2) + 2x + x = 27 x = 2 x =. Hence, B's age = 2x = 0 years Ans:8)(b) External radius = 4 cm, Internal radius = 3 cm volumeof iron [(4) (3) 2) cm cm 7 Weight of iron = (462 x 8) gm = 3696 gm = kg. Ans:9)(d) Let original length = x and original breadth = y. 80x 90y Decreasein area xy Decrease% 8 xy xy xy. xy xy 00 % 28%. Ans:20)(b) The penalty for delay on first day is 200, for second day is 20, for third day is 300 and so on.the penalties form an arithmetic progression (AP) with a common difference of 0 and first element as 200. The sum of penalties for 0 days is thus same as the sum of numbers in the A.P. with n as 0. Sum of AP (formula) = n/2 [2a + (n-) d] = 0/2 [ 2 X (0-) X 0 ] = 420 Ans:2)(a)Sol: Let the French cigar price is X. The Cuban cigar price is.(x-0.7) -. The Arabian cigar is.[.(x-0.7)-] The sum of all the three is X+(.X-2.0)+(2.2X )=74.70 X=6.70 The correct answer is A Ans:22)(b) Sol: Substitute options in the given question. Only option (b) satisfies the given condition Ans:23)(b) Sol: Pick numbers: a barrel of wine costs Rs 40 and a barrel of juice costs Rs 30 according to the given ratio. One liter of wine will cost 0 paise and one liter of juice will cost Re. Therefore the price ratio is 2:. The correct answer is B Ans:24)(b) Sol: Let X be the fraction of solution that is replaced. Then X*2% + (-X)*40% = 3% Solving, you get X = /3 Ans:2)(b)Sol: The answer 2 doesn't refer to a temperature, but rather to a range of temperatures. The average of the temps is: (a + b + c + d + e) / = 0 One of these temps is 4: (a + b + c + d + 4) / = 0 Solving for the variables: a + b + c + d = 20 In order to find the greatest range of temps, we minimize all temps but one. Remember, though, that 4 is the lowest temp possible, so: d = 20 Solving for the variable: d = = 2 Ans:26)(b) Sol: Let, total no. of employees = n; n (7000) = ( ) +(n-22)000; n=77; Ans:27)(a) Sol: The rug is placed in the middle of the room. The rug leaves 3m on either side of it both lengthwise and breadth wise. Now, the dimensions of the rug would be the dimensions of the room - the space that it does not occupy. With three 3 on either side, 6 m is not occupied by the rug in both dimensions. So, rug size = (6-6) X (20-6) = 0 X4 Ans:28)(a) Sol: Let the third number be 00. The first number is 70 and the second is 63. Difference in %= (70-63)/70 * 00= 0% Ans:29)(b) Sol: Let x be the no. days where both are equal cost *2x = 7.*2x 30+4x =x 30 =x x =.8 By plugging in for days For A 30 +(*2)*2=30+44=74 For B 22*7.=6 By plugging in for 2 days For A 30 +(2*2)*2=30+48=78 2

3 For B 24*7.=80 Therefore answer is (b) Ans:30) (a)sol: We know there are 0 people who do cooking as an activity. 3 -> people who study only cooking 4 -> study cooking and practice Yoga 2 -> study all of the activities x -> number of people studying cooking and weaving When you sum all this up, we should have 0. So x=0 --> x=0-9= Ans:3)(b) Ans:32)(b)Sol: 203 = Rs 00 cr 204 = Rs 0 cr Sum = Rs 00 cr Ans:33)(d)Sol: Shortcut : Going from the given options, option (d) gives the interest of 3330; Expl:- Let, Sum lent on % interest = x; x(/00) + (8000-x) (20/00) = 3330; x=400; Ratio = 400:2600 = 3:7; Ans:34)(b)Sol: Let s suppose original price is 00. And if it sold at 20% discount then the price would be 80. But this 80 is 20% of the actual original price. So is the actual price of the item. Now if it is sold for 00 when it actually cost then the gross profit would be i.e % i.e. approx 0% Ans:3)(b)Sol: Let, quantity of Rs. 0/kg wheat =a; Given, Cost Price= C.P.= (a 0) + (48 6) + (30 8) Selling Price= S.P.= (a+48+30) 0 S.P. = C.P. + (C.P.)/4; 0(a+78) = 4 (0a ) a= 48; Ans:36)(b) Sol: Let 'x' is the percentage of sand mixed; Given, C.P. = (00 x) 2 C.P. + (00 x) C.P x=20; Ans:37) (b) Sol: (x+y)30/00 = x*40/00 + y*2/00 30x + 30y = 40x + 2y y = 2x or y/x = 2/ or y:x = 2:; hence x = 33 /3% Ans:38)(b) Sol: Let the avg. speed on first day = a; No. of hours walked on firs day = x; Then, no. of hours walked on second day = x+2; Avg. speed on second day = a+; Given total time walked = 8 = x+(x+2) x=8; Given, Total distance = 64 x*a+((x+2)*(a+)) =64 a=3; Ans:39)(d)Sol: 7.30 = 4*.0 + *.00 +0*0.03 Therefore, the greatest number of envelopes that can be purchased = 4*00+*0+0*= 460 Ans:40)(c) Sol: 2P=P(+r/00)7 (+r/00)7=2; 8P= P(+r/00)x 8=(+r/00)x 23=(+r/00)x ((+r/00)7)3 =(+r/00)x x=7 3=2 years. Shortcut:-If years double, amount will be a 2 If years triple, amount will be a 3. If number of years is multiplied by x, then amount will be a x Ans:4)(d) Sol: In 20kg of fresh grapes, Water=90% =8kg; Material without water=2kg; In case of dry grapes, Water = 20% The remaining 80% material constitutes 2kg. If 80%=2kg then 00% = 2.kg. Weight of dry grapes=2.kg 42)Ans: (d)the author is of the opinion that price fixing is inevitable and beneficial to the economy. Statement C is incorrect as it is not mutually beneficial. 43)Ans: (a) Statement has been discussed in the passage and information has been provided for answering it. Information has not been provided to answer the statements 2 and 3. Statement 3 is incorrect as it has not been informed whether it is more common in socialist industrialized societies or in non-socialist industrialized societies 44)Ans: (b) Option (c) is incorrect as it is not carefully organized. Option (d) is incorrect as the statement does not talk about non-industrialized socities. Option (a) is incorrect as it is not mentioned whether it is profitable or not. Option (b) is correct as it is inevitable 4)Ans: (d)the author tells that it happens in an overt manner. So option (d) is correct as it is both intentional and widespread 46)Ans: (d)the author mentions in the last line of the passage that Soviet firms have some authority to fix prices 47)Ans: (a)the directors of large firms want to have a stable demand for products. So, option (a)is correct as they anticipate profit 48)Ans: (d) (d) is the correct option as the statement does not stem from popular wisdom. This statement has been given by cognitive scientists. All the other statements stem from popular wisdom 49)Ans: (b)the author talks about instincts in the passage. Option (b) is correct as bees collecting nectar is the correct analogy 0)Ans: (b)the author is of the opinion that voice modulation is a unique action that humans do. Option (d) is incorrect as even bats communicate using sound and so it is not unique to humans 3

4 )Ans: (a)in the last paragraph the author mentions that children know language instinctively. It is not something which has to be taught to them 2)Ans: (d) Option (a) is incorrect as the author clearly states that language is not unique to Homo sapiens. Statement (c) is correct but it does not summarize the passage Ans:3)(d) Sol:It is clearly mentions in the third Para Ans:4)(a) Sol:As mentioned in the third paragraph. It started in mind -970s rather than in mid-980s as mentioned in statement (i) So the statements (ii) and (iii) and true Ans:)(c) Sol:As mentioned in the sixth paragraph. The Vienna Climate change Talks 2007 talks about the lowcost emission reduction with energy efficiency. Ans:6)(d) Sol:As mentioned in the last paragraph. Ans:7)(d)Sol: Facts mentioned in the first and third statements are wrong. The second statement goes well with the passage Ans:8)(d)Sol: As mentioned in the passage, Only one hotspot was identified in the Indian Ocean. Longdistance migration of predators was tracked. Large areas of Indian Ocean were not fully explored. Hence all of the statements are incorrect Ans:9)(b)Sol: Over fishing or pollution was not mentioned as the reason behind unsatisfactory exploration of Indian Ocean Ans:60)(c)Sol: It is not mentioned anywhere that the oceans check melting of glaciers Ans:6)b)Sol: The first paragraph identifies two major faced by the archaeological profession funding and illegal digging, paragraph indicates that the author is going to suggest how to remedy both problems, thereby benefiting the archaeological profession. The author proceeds allowing the sale of excavated artefacts explains how this would solve both problems. The author supports the proposal by countering objections to it, and in the last paragraph explains how the proposal would curb illegal digging. Thus, the way is organized in the passage indicates that the author s purpose is to suggest that allowing the sale of excavated artefacts would provide funds archaeological profession and curb illegal digging Ans:62)(d)Sol: The question requires you to identify the choice that CANNOT be inferred from passage. Nothing in the passage implies that duplicate artefacts exceed museum objects in quality Ans:63)(d)Sol: The disadvantages of storing artefacts in Museum basements are discussed paragraph. It states that There is not enough money to catalogue the finds and declare that as a result stored objects cannot be located. Ans:64)(b)Sol: First, the author refutes the assertion that every object excavated has potential scientific value and therefore should not be sold. Then the author defines those objects that do not have value: the thousands of pottery vessels essentially duplicates of one another. The Cyprus excavation appears in the next sentence as an example of one location in which such duplicate artefacts have been found in large quantities The reference to 2,000 virtually indistinguishable small jugs highlights the profusion and uniformity of the Cyprus finds. Thus, the excavation is mentioned in order to emphasize the ready availability of objects that lack unique value and therefore could be sold. Ans:6)(a)Sol: The author s argument concerning the effect of the official sale of duplicate artefacts on illegal exaction appears in the last paragraph author predicts that such official sale would reduce demand for the clandestine product. The rhetorical question that follows indicates that the author finds it unlikely that any purchaser would prefer unknown provenance to objects of known origin, or, to rephrase, the author assumes that most people would prefer to purchase objects of authenticated provenance as this choice states. Ans:66)(c)Sol: The author begins the third paragraph by saying you might object in order to anticipate possible objections to the adoption of his proposal. In the next sentence the author asserts that ancient artefacts should be available for all to appreciate, not sold to the highest bidder, acknowledging an opponent s fear that individuals might be allowed to purchase objects that ought to be displayed in public institutions. This objection is paraphrased in this choice. 67)Ans: (d)the lack of marked personal eminence provides an opportunity for people to cooperate and the author mentions that under such circumstances a natural leader emerges 68)Ans: (a) Monarchy is most likely to evolve from social democracy as the author is of the opinion that a monarchy is established either by election or general consent when prolonged guidance is necessary to a social democracy. 69)Ans: (a) The author mentions that social democracy would most likely adopt a formal system of government when pressure of circumstances, danger, or inward strife makes recognized and prolonged guidance necessary to a social democracy i.e to deal with social problems 70)Ans: (b) According to the author, the form of government that has succeeded social democracy also preceded political democracy. So the correct option is b 7)Ans (b)this passage is clearly a speech given by some American leader or politician. The person is referring to a new crop of Americans who would assure the survival and the success of liberty. This new generation is representing America globally now which means it has the political power and leadership in its hands. The evidence to this question can be found in the second and third paragraphs 4

5 72)Ans (c)the tiger mentioned in the last line of the passage refers to the people who were independent but were tried to be suppressed. The person is trying to convey that whenever someone has tried to tame the tiger, he has ended being eaten up by it. Similarly whenever a colonial power tries to suppress independent people, they eventually revolt. Thus the tiger signifies independent people 73) Ans (b) Ans:74)(d)Sol: One should acknowledge that everyone has their share of challenges in life. Instead of blaming one should learn how to react to them Ans:7)(c)Sol: It is evident from the passage. Ans:76)(b)Sol: It has been clearly mentioned in the passage that very less number of people remains happy in their life. Secondly, one should isolate problems from the rest of daily life to deal with it. Ans:77)(b)Sol: It can be inferred from the passage that one should overlook small issues for the price of bigger issues to remain happy in life. Ans:78)(d)Sol: Read the third sentence from end "And why psychoanalysis tend to stick." Ans:79)(d)Sol: According to the passage, our perspective plays a huge role in our life, how we see is what we see Ans.80)(b)