Aptitude and Reasoning Questions

Q:

What is the value of sin 75°+ sin 15°?

A) √3 B) 2√3
C) √(3/2) D) 3/√2
 
Answer & Explanation Answer: C) √(3/2)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of Cot 60°- Sec 45°?

A) (√2 - √3)/√6 B) (√3 - 3√2)/3
C) (1 - 2√2)/2 D) (1 - √3)/2
 
Answer & Explanation Answer: B) (√3 - 3√2)/3

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Filed Under: Simplification
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Q:

In the following question, select the related letters from the given alternatives.
JPC : GMZ : : PUV : ?

A) MRS B) MSR
C) MQR D) RMS
 
Answer & Explanation Answer: A) MRS

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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

A) p+q2 B) 1p+1q
C) pqp+q D) Pq
 
Answer & Explanation Answer: C) pqp+q

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

If () stands for division, (+) stands for multiplication, (÷) stands for subtraction and (×) stands for addition, which one of the following equations is correct?

A) 100+5−10×250÷200 = 100 B) 200+10−20×200÷100 = 150
C) 50×5÷10+100−75 = 50 D) 300+5−20×200÷100 = 200
 
Answer & Explanation Answer: A) 100+5−10×250÷200 = 100

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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

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Q:

There were 24 studentsina class. One of them, who was 18 years old, left the class and his place was filled up by a new comer.Ifthe average of the class was thereby lowered by 1 month, the age of new comer is-

A) 14 years B) 15 years
C) 16 years D) 17years
 
Answer & Explanation Answer: C) 16 years

Explanation:

Let the age of new comer be x

Avg age decrease by 1/12 year ⇒24 X 1/12 = 18 –x

⇒x=16 years

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The diameters of two cylinders are in the ratio 3:2 and their volumes are equal. The ratio of their heights is

A) 2:3 B) 3:2
C) 9:4 D) 4:9
 
Answer & Explanation Answer: D) 4:9

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).

 

A) 9 B)  10
C) 12 D) 8
 
Answer & Explanation Answer: B)  10

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Filed Under: Area
Exam Prep: Bank Exams

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