Quantitative Aptitude Practice Question and Answer
8Q: Simple interest on a certain sum at 7% per annum for 4 years is Rs. 2415. What will be the compound interest on the same principal at 4% per annum in two years? 1691 05b5cc6a7e4d2b4197774ce22
5b5cc6a7e4d2b4197774ce22- 1Rs. 704true
- 2Rs. 854false
- 3Rs. 893false
- 4Rs. 914false
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Answer : 1. "Rs. 704"
Explanation :
Answer: A) Rs. 704 Explanation: We know that, S.I. = PTR100⇒ P = S.I x 100T x RAnd also,C.I = P1 + R100n- 1 From given data, P = Rs. 8625 Now, C.I = 86251+41002-1= 862526252-1= 8625676625-1= 8625 x 51625C.I = Rs. 703.80
Q: In how many different ways can the letters of the word 'POVERTY' be arranged ? 1690 05b5cc6b4e4d2b4197774d4bb
5b5cc6b4e4d2b4197774d4bb- 12520false
- 25040true
- 31260false
- 4Nonefalse
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Answer : 2. "5040"
Explanation :
Answer: B) 5040 Explanation: The 7 letters word 'POVERTY' be arranged in 7P7 ways = 7! = 5040 ways.
Q: A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is ? 1689 05b5cc6dae4d2b4197774e8a5
5b5cc6dae4d2b4197774e8a5- 145 kmphfalse
- 225 kmphfalse
- 330 kmphfalse
- 450 kmphtrue
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Answer : 4. "50 kmph"
Explanation :
Answer: D) 50 kmph Explanation: Speed of the train relative to man = (125/10) m/sec = (25/2) m/sec. [(25/2) x (18/5)] km/hr = 45 km/hr. Let the speed of the train be 'S' km/hr. Then, relative speed = (S - 5) km/hr. S - 5 = 45 => S = 50 km/hr.
Q: When all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed ? 1689 05b5cc736e4d2b4197774f88d
5b5cc736e4d2b4197774f88d- 122false
- 236true
- 332false
- 426false
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Answer : 2. "36"
Explanation :
Answer: B) 36 Explanation: Total number of students = 54 x 30When arranged in rows of 45, number of rows formed are, 54x3045 = 36.
Q: An item is sold at a loss of 10%. Had it sold for Rs. 9 more, a profit of 25/2% would have gained. What is the cost price of the item? 1688 05b5cc688e4d2b4197774c2f0
5b5cc688e4d2b4197774c2f0- 1Rs. 90false
- 2Rs. 75false
- 3Rs. 55false
- 4Rs. 40true
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Answer : 4. "Rs. 40"
Explanation :
Answer: D) Rs. 40 Explanation: Let the cost price of the item = Rs. 50 Sold at 10% loss => for Rs. 50 loss S.P = Rs. 45 From the given data, 25/2 % gain if it is sold at Rs. 9 more 56.25 - 45 = 9 => 11.25 = 9 => 22.5 = 18 => 45 = 36 => 50 = ? => C.P = 50 x 3645 = 40 Hence, the Cost price of the item = Rs. 40.
Q: The breadth of a rectangular field is 75% of its length. If perimeter of the field is 1050 m, what will be th area of field ? 1688 05b5cc6c8e4d2b4197774df0a
5b5cc6c8e4d2b4197774df0a- 165700 sq.mfalse
- 254500 sq.mfalse
- 378700 sq.mfalse
- 467500 sq.mtrue
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Answer : 4. "67500 sq.m"
Explanation :
Answer: D) 67500 sq.m Explanation: Let the length be 'l' and breadth be 'b'. b = l × 3/4__________(a) 2(l+b) = 1050 l+b = 525___________(b) From equations (a) and (b), l = 300m, b = 225 m Area = l × b = 300 × 225 = 67500 sq.m.
Q: What least number must be substracted from 627349 so that the remaining number is divisible by 15 ? 1686 05b5cc754e4d2b4197774fb9a
5b5cc754e4d2b4197774fb9a- 11false
- 22false
- 33false
- 44true
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Answer : 4. "4"
Explanation :
Answer: D) 4 Explanation: On dividing 627349 by 15, we get remainder = 4.Therefore, the obtained remainder is the least number to be subtracted from the given number so that the the mnumber is divisible by 15.Here 4 is the least number to be subtracted from 627349 so that it is divisible by 15.
Q: One third of a Number is 96. What will 67% of that Number be? 1684 05b5cc7c8e4d2b41977750e04
5b5cc7c8e4d2b41977750e04- 1192.96true
- 2181.44false
- 3169.92false
- 4204.48false
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Answer : 1. "192.96"
Explanation :
Answer: A) 192.96 Explanation: Let the Number be x. Given that one third of a Number is 96. i.e x = 3 x 96 = 288. 67% of x = x×67100=288×67100=192.96