Quantitative Aptitude - Arithmetic Ability Questions

Q:

If sin θ + sin 5θ = sin 3θ and 0 < θ < (π/2), then what is the value of θ (in degrees)?

A) 30 B) 45
C) 60 D) 75
 
Answer & Explanation Answer: A) 30

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Q:

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

A) 5/2 B) 25/3
C) 4 D) 3
 
Answer & Explanation Answer: D) 3

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Q:

What is the simplified value of [2/(cot A – tan A)]?

A) sin A cos A B) tan 2A
C) sin2 A D) cos2 A
 
Answer & Explanation Answer: B) tan 2A

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Q:

If a-b=1 and a3-b3 = 61, then the value of ab will be

A) -20 B) 20
C) 30 D) 60
 
Answer & Explanation Answer: B) 20

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Q:

Selling price of a table is Rs 2808. If profit percentage is 17%, then what is the cost price (in Rs) of table?

A) 2288 B) 2300
C) 2400 D) 3285
 
Answer & Explanation Answer: C) 2400

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Q:

If cosθ1-sinθ+cosθ1+sinθ = 4, then the value of θ (0°<θ<90°)?

A) 60° B) 45°
C) 30° D) 35°
 
Answer & Explanation Answer: A) 60°

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Q:

Find the odd one out.

A) B B) A
C) D D) C
 
Answer & Explanation Answer: C) D

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Q:

The radius of a sphere and hemisphere are same. The ratio of their total surface area is

A) 3:1 B)  2:1
C) 3:2 D) 4:3
 
Answer & Explanation Answer: D) 4:3

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