Quantitative Aptitude Practice Question and Answer
8Q: An express traveled at an average speed of 100 km/hr, stopping for 4 min after every 75 km. How long did it take to reach its destination 600 km from the starting point ? 942 05b5cc6e1e4d2b4197774eba7
5b5cc6e1e4d2b4197774eba7- 16 hrs 24 minfalse
- 26 hrsfalse
- 37 hrs 21 minfalse
- 46 hrs 28 mintrue
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Answer : 4. "6 hrs 28 min"
Explanation :
Answer: D) 6 hrs 28 min Explanation: Time taken to cover 600 km = 600/100 = 6 hrs. Number of stoppages = 600/75 - 1 = 7 Total time of stoppages = 4 x 7 = 28 min Hence, total time taken = 6 hrs 28 min.
Q: If 35% of a number is 24 less than 50% of that number, then the number is ? 1182 05b5cc6e1e4d2b4197774eba2
5b5cc6e1e4d2b4197774eba2- 180false
- 2160true
- 3100false
- 4120false
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Answer : 2. "160"
Explanation :
Answer: B) 160 Explanation: Let the number be n. Then, 50% of n - 35% of n = 24 50/100 n - 35/100 n = 24 n = (24 x 100)/15 = 160.
Q: The marks obtained by Vijay and Amith are in the ratio 4:5 and those obtained by Amith and Abhishek in the ratio of 3:2. The marks obtained by Vijay and Abhishek are in the ratio of ? 5891 05b5cc6e0e4d2b4197774eb98
5b5cc6e0e4d2b4197774eb98- 14:5false
- 26:5true
- 33:2false
- 41:3false
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Answer : 2. "6:5"
Explanation :
Answer: B) 6:5 Explanation: 4:5 3:2 -------=> 12:15:10 12:10 => 6:5
Q: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1428 05b5cc6e0e4d2b4197774eb9d
5b5cc6e0e4d2b4197774eb9d- 1Rs. 2000true
- 2Rs. 1600false
- 3Rs. 2200false
- 4Rs. 2100false
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Answer : 1. "Rs. 2000"
Explanation :
Answer: A) Rs. 2000 Explanation: Let 'x' be the cost price.Now Marked price = x + 30x/100 = 13x/1010% discount = 10/100 x 13x/10 = 13x/100 Selling price = 13x/10 - 13x/100 = 117x/100Given gain = 340Here gain = 117x/100 - x = 17x/100 = 340 => x = Rs. 2000.
Q: How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest ? 1224 05b5cc6e0e4d2b4197774eb8e
5b5cc6e0e4d2b4197774eb8e- 14 yearstrue
- 22.5 yearsfalse
- 33.5 yearsfalse
- 42 yearsfalse
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Answer : 1. "4 years"
Explanation :
Answer: A) 4 years Explanation: Time = (100 x 81) / (450 x 4.5) = 4 years.
Q: Two trains of equal length are running on parallel lines in the same direction at 36 km/hr and 26 km/hr. The faster train passes the slower train in 36 sec. The length of each train is ? 916 05b5cc6e0e4d2b4197774eb93
5b5cc6e0e4d2b4197774eb93- 128 mtsfalse
- 254 mtsfalse
- 324 mtsfalse
- 450 mtstrue
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Answer : 4. "50 mts"
Explanation :
Answer: D) 50 mts Explanation: Let the length of each train be x mts. Then, distance covered = 2x mts. Relative speed = 36 - 26 = 10 km/hr. = 10 x 5/18 = 25/9 m/sec. 2x/36 = 25/9 => x = 50 mts.
Q: Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is ? 1259 05b5cc6e0e4d2b4197774eb70
5b5cc6e0e4d2b4197774eb70- 116/19false
- 21false
- 33/2false
- 417/20true
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Answer : 4. "17/20"
Explanation :
Answer: D) 17/20 Explanation: n(S) = 20n(Even no) = 10 = n(E)n(Prime no) = 8 = n(P)P(E U P) = 10/20 + 8/20 - 1/20 = 17/20
Q: A sum is divided among K, L and M in such a way that for each rupee K gets, L gets 45 paisa and M gets 30 paisa. If the share of L is Rs. 27, what is the total amount ? 1689 05b5cc6e0e4d2b4197774eb66
5b5cc6e0e4d2b4197774eb66- 1Rs. 159false
- 2Rs. 96false
- 3Rs. 147false
- 4Rs. 105true
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Answer : 4. "Rs. 105"
Explanation :
Answer: D) Rs. 105 Explanation: K : L : M = 100 : 45 : 30 = 20 : 9 : 6 Given L share is 27 => 9 ------ 27 35 ------ ? => 105