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

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Q:

The average of three consecutive odd numbers is 52 more than 1/3rd of the largest of these numbers. What is the smallest of these numbers?

A) 79 B) 75
C) 81 D) 77
 
Answer & Explanation Answer: D) 77

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

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Q:

In XYZ measure of angle Y is 90 deg. If cosecX = 13/12, and XY = 1cm, then what is the length ( in cm ) of side YZ?

A) 2.6 B) 1.5
C) 2.4 D) 2
 
Answer & Explanation Answer: C) 2.4

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of 0.55 x 4.5/0.81 ?

A) 3.555 B) 55/18
C) 3.05 D) 55/81
 
Answer & Explanation Answer: B) 55/18

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)? 499.99 + 1999 ÷ 39.99 × 50.01=?

A) 3200 B) 2700
C) 3000 D) 2500
 
Answer & Explanation Answer: C) 3000

Explanation:

500+2000÷40×50=?

?= 500+(2000÷40)×50

?= 500+50×50

?=500+2500

?=3000

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The entry ticket at a fun park was increased in the ratio 7 : 9, due to which footfalls fell in the ratio 13 : 11. What is the new daily collection (in Rs), if the daily collection before the price hike was Rs 2,27,500?

A) 237500 B) 247500
C) 232500 D) 242500
 
Answer & Explanation Answer: B) 247500

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

A trader had 2000 kgs of rice. He sold a part of it at 10% profit and the rest at 16% profit, so that he made a total profit of 14.2%. How much rice (in kg) did he sell at 10% profit?

A) 1400 B) 600
C) 800 D) 1000
 
Answer & Explanation Answer: B) 600

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

PQRS is a square whose side is 20 cm. By joining opposite vertices of PQRS are get four triangles. What is the sum of the perimeters of the four triangles?

A) 40√2 B) 80√2 + 80
C) 40√2 + 40 D) 40√2 + 80
 
Answer & Explanation Answer: B) 80√2 + 80

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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