CAT Practice Question and Answer
8Q: A number increased by 30% gives 390. The number is 2576 05b5cc6dde4d2b4197774ea1e
5b5cc6dde4d2b4197774ea1e- 1180false
- 2300true
- 3480false
- 4260false
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Answer : 2. "300"
Explanation :
Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.
Q: The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ? 2387 05b5cc6dde4d2b4197774ea19
5b5cc6dde4d2b4197774ea19- 1Rs. 22.5true
- 2Rs. 2.5false
- 3Rs. 202false
- 4Rs. 25false
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Answer : 1. "Rs. 22.5"
Explanation :
Answer: A) Rs. 22.5 Explanation: We know that I = PTR/100=> P = 20250/4.5 = 4500Now, new Interest at 5% = 4500x1x5/100 = 225Now the additional amount = 225 - 202.5 = Rs. 22.5
Q: How many seconds will a 800 meter long train moving with a speed of 63 km/hr take to cross a man walking with a speed of 3 km/hr in the direction of the train ? 1537 05b5cc6dde4d2b4197774ea0f
5b5cc6dde4d2b4197774ea0f- 148true
- 252false
- 338false
- 442false
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Answer : 1. "48"
Explanation :
Answer: A) 48 Explanation: Here distance d = 800 mts speed s = 63 - 3 = 60 kmph = 60 x 5/18 m/s time t = 800x1860x5= 48 sec.
Q: A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ? 1155 05b5cc6dde4d2b4197774ea14
5b5cc6dde4d2b4197774ea14- 1Total workfalse
- 2One-fourth workfalse
- 3Half worktrue
- 4Two-third workfalse
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Answer : 3. "Half work"
Explanation :
Answer: C) Half work Explanation: A can do the work = 18 daysB can do the work = 18/2 = 9 days(A + B)'s 1 day work = 1/18 + 1/9 = 1/6=> In 3 days = 3x1/6 = 1/2 work is completed.
Q: What percent is 120 of 85 ? 1679 05b5cc6dde4d2b4197774ea0a
5b5cc6dde4d2b4197774ea0a- 1133.33 %false
- 2141.17 %true
- 3145.54 %false
- 4139.29 %false
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Answer : 2. "141.17 %"
Explanation :
Answer: B) 141.17 % Explanation: Px85100=120 => p = 12000/85 = 141.17 %
Q: A can complete a piece of work in 12 days and B is 60% more efficient than A. In how many days B will complete the same work ? 1131 05b5cc6dde4d2b4197774ea05
5b5cc6dde4d2b4197774ea05- 18.7 hrsfalse
- 25.2 hrsfalse
- 35 hrsfalse
- 47.5 hrstrue
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Answer : 4. "7.5 hrs"
Explanation :
Answer: D) 7.5 hrs Explanation: Ratio of times taken by A and B = 160 : 100A can do the work in 12 daysLet B can do the work in "D" days=> 160:100 = 12 : D=> D = 12 x 100/160 = 7.5 hrs
Q: A Bus is running at 9/10 of its own speed reached a place in 22 hours. How much time could be saved if the bus would run at its own speed ? 1668 05b5cc6dde4d2b4197774ea00
5b5cc6dde4d2b4197774ea00- 11.5 hrsfalse
- 21.7 hrsfalse
- 32.2 hrstrue
- 43.5 hrsfalse
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Answer : 3. "2.2 hrs"
Explanation :
Answer: C) 2.2 hrs Explanation: Let the original Speed be "s" kmphAnd the usual time be "t" hrsGiven that if the bus is running at 9s/10 kmph the time is 22 hrs=> [9s/10] x 22 = t x s=> 99/5 = t => t = 19.8 hrs Hence, if bus runs at its own speed, the time saved = 22 - 19.8 = 2.2 hrs.
Q: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by ___________. 1501 05b5cc6dde4d2b4197774e9fb
5b5cc6dde4d2b4197774e9fb- 1Mehbooba Muftitrue
- 2Narendra Modifalse
- 3Nitin Gadkarifalse
- 4Pranab Mukherjeefalse
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Answer : 1. "Mehbooba Mufti"
Explanation :
Answer: A) Mehbooba Mufti Explanation: A semi-mechanised car park, the first of its kind in Jammu and Kashmir, was inaugurated by Chief Minister Mehbooba Mufti who hoped the facility would ease traffic congestion in and around Lal Chowk. The multi-level car park, located near the old KMD bus stand on Maulana Azad Road, has been set up at a cost of Rs 27.15 crore and has a capacity to hold 288 vehicles.