Quantitative Aptitude Practice Question and Answer
8Q: A certain job was assigned to a group of women to do it in 20 days. But 12 women did not turn up for the job and the remaining did the job in 32 days. The original number of women in the group was? 2002 05b5cc6bae4d2b4197774d794
5b5cc6bae4d2b4197774d794- 136false
- 232true
- 322false
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Answer : 2. "32"
Explanation :
Answer: B) 32 Explanation: Let the total women in the group be 'W' Then according to the given data, W x 20 = (W-12) x 32 => W = 32 Therefore, the total number of women in the group = 32
Q: The ratio of investments of two partners A and B is 7:5 and the ratio of their profits is 7:10. If A invested the money for 5 months, find for how much time did B invest the money ? 1999 05b5cc6dfe4d2b4197774eaf3
5b5cc6dfe4d2b4197774eaf3- 111 monthsfalse
- 29 monthsfalse
- 37 monthsfalse
- 410 monthstrue
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Answer : 4. "10 months"
Explanation :
Answer: D) 10 months Explanation: 7x5: 5xk = 7:10k = 10 months
Q: Find the odd one out of the following number series? 56, 64, 48, 90, 16, 144 1999 05b5cc658e4d2b4197774bddd
5b5cc658e4d2b4197774bddd- 148false
- 264false
- 390true
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Answer : 3. "90"
Explanation :
Answer: C) 90 Explanation: The given number series follows a pattern that, 56 56 + 8 = 64 64 - 16 = 48 48 + 32 = 80 (Not equal to 90) 80 - 64 = 16 16 + 128 = 144 Hence, the odd number in the given number series is 90.
Q: The ratio of earnings of A and B is 4:5. If the earnings of A increase by 20% and the earnings of B decrease by 20%, the new ratio of their earnings becomes 6:5. What are A's earnings? 1997 05b5cc7c9e4d2b41977750ed6
5b5cc7c9e4d2b41977750ed6- 1Rs.22,000false
- 2Rs.27,500false
- 3Rs. 26,400false
- 4Cannot be determinedtrue
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Answer : 4. "Cannot be determined"
Explanation :
Answer: D) Cannot be determined Explanation:
Q: The letters of the word PROMISE are to be arranged so that three vowels should not come together. Find the number of ways of arrangements? 1996 05b5cc6ade4d2b4197774d0f9
5b5cc6ade4d2b4197774d0f9- 14320true
- 24694false
- 34957false
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Answer : 1. "4320"
Explanation :
Answer: A) 4320 Explanation: Given Word is PROMISE. Number of letters in the word PROMISE = 7 Number of ways 7 letters can be arranged = 7! ways Number of Vowels in word PROMISE = 3 (O, I, E) Number of ways the vowels can be arranged that 3 Vowels come together = 5! x 3! ways Now, the number of ways of arrangements so that three vowels should not come together = 7! - (5! x 3!) ways = 5040 - 720 = 4320.
Q: Find the next number in the number series? 1, 4, 12, 32, ? 1995 05b5cc6a8e4d2b4197774ce61
5b5cc6a8e4d2b4197774ce61- 180true
- 2100false
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Answer : 1. "80"
Explanation :
Answer: A) 80 Explanation: Next number of the sequence 1, 4, 12, 32,... 1 = 2 x 20 4 = 2 x 21 12 = 3 x 22 32 = 4 x 23 80 = 5 x 24.
Q: Sixty men can stitch 150 shirts in 30 days working 8 hours a day. In how many days can 35 men stitch 200 shirts working 6 hours a day ? 1995 05b5cc6dce4d2b4197774e9c9
5b5cc6dce4d2b4197774e9c9- 187.5false
- 289false
- 391.5true
- 493.5false
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Answer : 3. "91.5"
Explanation :
Answer: C) 91.5 Explanation: We have M1 D1 H1 / W1 = M2 D2 H2 / W2 (Variation rule)(60 x 30 x 8)/ 150 = (35 x D2 x 6) / 200 D2 = (60 x 30 x 8 x 200) / (150 x 35 x 6) => D2 = 91.42 days =~ 91.5 days.
Q: At what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other? A. 5111 B. 15415 C. 16411 D. 4415 1992 05b5cc77ae4d2b41977750133
5b5cc77ae4d2b41977750133- 1Option Afalse
- 2Option Bfalse
- 3Option Ctrue
- 4Option Dfalse
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Answer : 3. "Option C"
Explanation :
Answer: C) Option C Explanation: At 3 o'clock, the minute hand is 15 min. spaces apart from the hour hand. To be coincident, it must gain 15 min. spaces. 55 min. are gained in 60 min. Then 15 min spaces are gained in = 6055×15 min. Therefore, The hands are coincident at 16411 min. past 3 o'clock.