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:

Find the largest number of three digits exactly divisible by 15, 18, 27 and 30.

A) 870 B) 900
C) 810 D) 780
 
Answer & Explanation Answer: C) 810

Explanation:
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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

A trader had 630 kgs of rice. He sold a part of it at 15% profit and the rest at 8% profit, so that he made a total profit of 12%. How much rice (in kgs) did he sell at 8% profit?

A) 270 B) 300
C) 280 D) 290
 
Answer & Explanation Answer: A) 270

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

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Q:

Rajesh sells a machine for Rs 57 lakhs at a loss. Had he sold it for Rs 67 lakh, his gain would have been 7 times the former loss. Find the cost price of the machine.

A) Rs 58.25 lakhs B) Rs 65.75 lakhs
C) Rs 75.14 lakhs D) Rs 50.75 lakhs
 
Answer & Explanation Answer: A) Rs 58.25 lakhs

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

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Q:

If tan2A - sin2A = x, then value of x is

A) tan2A sin2A B) cot2A cosec2A
C) tanA sinA D) cotA cosecA
 
Answer & Explanation Answer: A) tan2A sin2A

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then
76 x 4 + 4 – 12 ÷ 37 = ?

A) 9 B) 7
C) 8 D) 3
 
Answer & Explanation Answer: C) 8

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams , CAT

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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

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Q:

In a row, pankaj is at 29th position from left and 33rd position from right. How many boys are there in the row?

A) 59 B) 62
C) 61 D) 60
 
Answer & Explanation Answer: C) 61

Explanation:
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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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