Quantitative Aptitude Practice Question and Answer
8Q: 7 years ago, the ratio of the ages of Anirudh to that of Bhavana, was 7:9. Chandhu is 12 years older than Anirudh and 12 years younger than Bhavana. What is Chandhu's present age? 2257 05b5cc6bbe4d2b4197774d849
5b5cc6bbe4d2b4197774d849- 191 yearsfalse
- 2115 yearsfalse
- 3103 yearstrue
- 4Can't be determinedfalse
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Answer : 3. "103 years"
Explanation :
Answer: C) 103 years Explanation: Let present Anirudh's age be 'A' and Bhavana's age be 'B' Given seven years, their ratio is 7:9 => A-7 : B-7 = 7 : 9 => 9A - 7B = 14 .......(1) And given, Chandhu is 12 years older than A nad 12 years younger than B => C = A + 12....(2) => B = C + 12 => B = A + 12 + 12 .....(From (2)) => B = A + 24 ....(3) Put (3) in (1) 9A - 7(A+24) = 14 9A - 7A - 168 = 14 2A = 182 => A = 91 years => C = A + 12 = 91 +12 = 103 years.
Q: A man traveled from the village to the post-office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village ? 2257 05b5cc74ae4d2b4197774facc
5b5cc74ae4d2b4197774facc- 140 kmfalse
- 230 kmfalse
- 320 kmtrue
- 410 kmfalse
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Answer : 3. "20 km"
Explanation :
Answer: C) 20 km Explanation: Average speed = 2aba+b, here a=25 b=4 = 2 x 25 x 4/(25+4) = 200/29 km/hr. Distance covered in 5 hours 48 minutes = Speed x time = (200/29)x (29/5) Distance covered in 5 hours 48 minutes = 40kms. Distance of the post office from the village = (40/2) = 20 km.
Q: What is two weeks from today? 2256 05b5cc6a6e4d2b4197774cd47
5b5cc6a6e4d2b4197774cd47- 1same daytrue
- 2previous dayfalse
- 3next dayfalse
- 4Nonefalse
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Answer : 1. "same day"
Explanation :
Answer: A) same day Explanation: We know that the day repeats every 7 days, 14 days, 21 days,... So if today is Monday, after 7 days it is again Monday, after 14 days again it is Monday. Hence, after 2 weeks i.e, 14 days the day repeats and is the same day.
Q: Find the odd man out of the following number series? 22, 26, 42, 78, 142, 244 2254 05b5cc619e4d2b4197774b70a
5b5cc619e4d2b4197774b70a- 1244true
- 2142false
- 378false
- 442false
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Answer : 1. "244"
Explanation :
Answer: A) 244 Explanation: The given number series 22, 26, 42, 78, 142, 244 follows a pattern that, 2222 + 22 = 22 + 4 = 2626 + 42 = 26 + 16 = 4242 + 62 = 42 + 36 = 7878 + 82 = 78 + 64 = 142142 + 102 = 142 + 100 = 242 Hence, the odd one in the given number series is 244.
Q: Two bus tickets from city K to L and three tickets from city K to M cost Rs. 77, but three tickets from city K to L and two tickets from city K to M cost Rs. 73. What are the fares for cities L and M from K ? 2253 05b5cc720e4d2b4197774f5e0
5b5cc720e4d2b4197774f5e0- 1Rs. 13 and Rs. 17true
- 2Rs. 17 and Rs. 19false
- 3Rs. 23 and Rs. 17false
- 4Rs. 13 and Rs. 19false
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Answer : 1. "Rs. 13 and Rs. 17"
Explanation :
Answer: A) Rs. 13 and Rs. 17 Explanation: If fares for cities L and M from K are x and y respectively, then 2x + 3y = 77 or 6x + 9y = 231...(1)3x + 2y = 73 or 6x + 4y = 146...(2) subtracting 2 from 1, we get 5y = 85 y = Rs. 17 => x = Rs. 13
Q: The probability that a bowler bowled a ball from a point will hit by the batsman is ¼. Three such balls are bowled simultaneously towards the batsman from that very point. What is the probability that the batsman will hit the ball ? 2248 05b5cc6c6e4d2b4197774de31
5b5cc6c6e4d2b4197774de31- 137/64true
- 227/56false
- 311/13false
- 49/8false
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Answer : 1. "37/64"
Explanation :
Answer: A) 37/64 Explanation: Probability of not hitting the ball = 1- 1/4 =Then, the probability that the batsman will hit the ball =
Q: If watches bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 425. What is the greatest possible profit that might be made in selling nine watches ? 2247 05b5cc75ce4d2b4197774fc89
5b5cc75ce4d2b4197774fc89- 1Rs. 1800false
- 2Rs. 2000false
- 3Rs. 2025true
- 4Rs. 1750false
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Answer : 3. "Rs. 2025"
Explanation :
Answer: C) Rs. 2025 Explanation: Profit would be maximum if watches are brought for Rs. 200 and sold for Rs. 425Profit = Rs. (425 - 200) = Rs. 225Profit of 9 watches = Rs. 225 x 9 = Rs.2,025.
Q: Find the odd term from the given series of numbers ? 125, 127, 130, 135, 142, 153, 165 ? 2245 05b5cc6dde4d2b4197774e9e7
5b5cc6dde4d2b4197774e9e7- 1153false
- 2165true
- 3142false
- 4127false
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Answer : 2. "165"
Explanation :
Answer: B) 165 Explanation: From the beginning, the next term comes by adding prime numbers in a sequence of 2, 3, 5, 7, 9, 11, 13... to its previous term. But 165 will not be in the series as it must be replaced by 166 since 153+13 = 166.