Quantitative Aptitude Practice Question and Answer
8Q: A certain amount is divided among P, Q and R in the ratio of 3 : 7 : 6 respectively. If the difference between share of P and Q is Rs. 2700, what is R's share? 1380 05b5cc6bfe4d2b4197774d9ec
5b5cc6bfe4d2b4197774d9ec- 1Rs. 4050true
- 2Rs. 2121false
- 3Rs. 5040false
- 4Rs. 3550false
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Answer : 1. "Rs. 4050"
Explanation :
Answer: A) Rs. 4050 Explanation: Let the ratio amount be 'p' 7p - 3p = 2700 4p = 2700 p = 675 R's Share = 675 × 6 = Rs. 4050
Q: A contractor undertake to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ? 1378 05b5cc6cce4d2b4197774e16c
5b5cc6cce4d2b4197774e16c- 164false
- 262false
- 358false
- 456true
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Answer : 4. "56"
Explanation :
Answer: D) 56 Explanation: Days remaining 124 – 64 = 60 days Remaining work = 1 - 2/3 = 1/3 Let men required men for working remaining days be 'm' So men required = (120 x 64)/2 = (m x 60)/1 => m = 64 Men discharge = 120 – 64 = 56 men.
Q: The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number ? 1376 05b5cc6dbe4d2b4197774e94b
5b5cc6dbe4d2b4197774e94b- 1270true
- 21270false
- 3350false
- 4720false
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Answer : 1. "270"
Explanation :
Answer: A) 270 Explanation: Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.
Q: 311, 230, 294, ?, 281, 256 What will come in place of the question mark (?) in the above number series? 1373 05b5cc6bbe4d2b4197774d81b
5b5cc6bbe4d2b4197774d81b- 1240false
- 2245true
- 3244false
- 4246false
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Answer : 2. "245"
Explanation :
Answer: B) 245 Explanation: Given 311 230 294 ? 281 256 311 - (9x9) = 230 230 + (8x8) = 294 294 - (7x7) = 245 245 + (6x6) = 281 281 - (5x5) = 256 Hence, the missing number in the given series is 245.
Q: There are 1650 students in a college. The difference between the number of boys and girls in the college is 400. What is the percentage of girls in the college ? 1373 05b5cc6c5e4d2b4197774dd1e
5b5cc6c5e4d2b4197774dd1e- 149false
- 234false
- 343false
- 438true
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Answer : 4. "38"
Explanation :
Answer: D) 38 Explanation: Let no. of boys be 'B' and no. of girls be 'G' Here from given data, B + G = 1650 .....(1) B - G = 400 .....(2) From (1) & (2), we get 2B = 2050 => B = 1025 => G = 1650 - 1025 = 625 Hence, the % of girls = 625 x 100/1650 => 38% (approx).
Q: The average marks of a student in 7 subjects is 85. His average marks in 6 subjects except English is 83. What is his marks in English ? 1372 05b5cc6c2e4d2b4197774dbf5
5b5cc6c2e4d2b4197774dbf5- 197true
- 298false
- 392false
- 493false
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Answer : 1. "97"
Explanation :
Answer: A) 97 Explanation: Marks in English = 85×7 – 83×6 = 595 – 498 = 97
Q: In How many ways can the letters of the word 'CAPITAL' be arranged in such a way that all the vowels always come together? 1367 05b5cc7b4e4d2b41977750897
5b5cc7b4e4d2b41977750897- 1360true
- 2720false
- 3120false
- 4840false
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Answer : 1. "360"
Explanation :
Answer: A) 360 Explanation: CAPITAL = 7 Vowels = 3 (A, I, A) Consonants = (C, P, T, L) 5 letters which can be arranged in 5P5=5! Vowels A,I = 3!2! No.of arrangements = 5! x 3!2!=360
Q: 10 boys can complete a work in 7 days and 10 girls take 14 days to complete the work. How many days will 5 boys and 10 girls take to complete the work ? 1361 05b5cc6dee4d2b4197774ea85
5b5cc6dee4d2b4197774ea85- 113 daysfalse
- 210 daysfalse
- 37 daystrue
- 416 daysfalse
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Answer : 3. "7 days"
Explanation :
Answer: C) 7 days Explanation: 1 boy's 1 day work = 1/70 1 girl's 1 day work = 1/140 (5 boys + 10 girls)'s 1 day work = (5/70 + 10/140) = (1/14 + 1/14) = 1/7 5 boys and 10 girls will complete the work in 7 days.