Aptitude and Reasoning Questions

Q:

Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point.

A) 5 B) 8
C) 12 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

All the three friends will meet at the starting point again after X seconds, such that X is the LCM of the times taken by J, K and L to complete one round.

=> LCM of 12, 18 and 20 = 180 seconds = 3 minutes.

Hence 3 minutes is the answer.

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Filed Under: HCF and LCM

1 2079
Q:

Ravi is 12 years younger than Surya. Ravi's age is 40% of the sum of his and Surya's age. What will be Surya's age 9 years hence?

A) 36 B) 24
C) 33 D) 45
 
Answer & Explanation Answer: D) 45

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

2 2078
Q:

Select the missing number in the given question?

A) 9 B) 4
C) 8 D) 2
 
Answer & Explanation Answer: D) 2

Explanation:
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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

15 2078
Q:

After repairing a scooter runs at a speed of 54 km/h and before repairing runs at speed of 48 km/h. It covers a certain distance in 6 hours after repairing. How much time will it take to cover the same distance before repairing?

A) 6 hours 15 minutes B) 6 hours 45 minutes
C) 7 hours D) 7 hours 30 minutes
 
Answer & Explanation Answer: B) 6 hours 45 minutes

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

0 2078
Q:

What is the average of first 19 odd numbers?

A) 9.5 B) 15.5
C) 19 D) 38
 
Answer & Explanation Answer: C) 19

Explanation:
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Filed Under: Average
Exam Prep: Bank Exams

5 2077
Q:

A tent is to be built in the form of a cylinder of radius 10 m surmounted by a cone of the same radius. If the height of the cylindrical part is 5 m and slant height of the conical part is 15 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

A) 4714.43 sq m B) 3772.14 sq m
C) 6783.86 sq m D) 2451.42 sq m
 
Answer & Explanation Answer: D) 2451.42 sq m

Explanation:
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Filed Under: Area

3 2077
Q:

A batsman scores 87 runs in the 21st match of his career. His average runs per match increases by 2. What was his average before the 21st match.

A) 45 B) 46
C) 44 D) 43
 
Answer & Explanation Answer: A) 45

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

A ladder is resting against a vertical wall and its bottom is 2.5 m away from the wall. If it slips 0.8 m down the wall, then its bottom will move away from the wall by 1.4 m. What is the length of the ladder?

A) 6.2 m B) 6.5 m
C) 6.8 m D)  7.5 m
 
Answer & Explanation Answer: B) 6.5 m

Explanation:
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Filed Under: Height and Distance
Exam Prep: Bank Exams

10 2076