Quantitative Aptitude - Arithmetic Ability Questions

Q:

A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.

 

A) One day's work of B is 1/10 - 1/15

B) One day's work of A and B is 1/10 and One day's work of A is 1/15

C) B alone can do the work in 30 days

D) One day's work of B is 1/30

 

A) BADC B) ADCB
C) BCAD D) BDAC
 
Answer & Explanation Answer: A) BADC

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The solution set of 4x -­ 3y = 10 and 3x + y = 14 is

A) {(5, 3)} B) {(4, 2)}
C) {(11, ­1)} D) {(2, 3)}
 
Answer & Explanation Answer: B) {(4, 2)}

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the measure of an exterior angle of a regular polygon of 10 sides?

A) 30 B) 24
C) 36 D) 20
 
Answer & Explanation Answer: C) 36

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

What should be added to 8(3x - ­4y) to obtain 18x ­- 18y?

A) 6x -­ 14y B) 14y + 6x
C)  14y -­ 6x D) 6xy
 
Answer & Explanation Answer: C)  14y -­ 6x

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Q:

If Cot θ = 24/7, then Sin θ = ?

A) 24/25 B) 8/25
C) 7/25 D) 9/25
 
Answer & Explanation Answer: C) 7/25

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Q:

A 8 cm long perpendicular is drawn from the centre of a circle to a 12 cm long chord. The diameter of the circle is

A) 10 cm B) 12 cm
C) 16 cm D) 20 cm  
 
Answer & Explanation Answer: D) 20 cm  

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Q:

What is the value of (1/2) Sec 30° + √2 Tan 60°?

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

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Q:

What is the reflection of the point (6, -1) in the line y = 2?

A) (-2 , -1) B) (-6 , 5)
C) (-2 , 1) D) (6 , 5)
 
Answer & Explanation Answer: D) (6 , 5)

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