Quantitative Aptitude - Arithmetic Ability Questions

Q:

In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

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

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Filed Under: Volume and Surface Area
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Q:

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is

A) 18 deg B) 54 deg
C) 72 deg D) 10 deg
 
Answer & Explanation Answer: B) 54 deg

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Q:

The orthocentre of a triangle is the point where

A) the medians meet B) the altitudes meet
C) the right bisectors of the sides of D) the bisectors of the angles
 
Answer & Explanation Answer: B) the altitudes meet

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Q:

Among four bags, average weight of last three bags is 18 kg and the average weight of first three bags is 19 kg. If the weight of last bag is 22 kg, then what is the weight (in kg) of first bag?

 

A) 32 B) 24
C) 33 D) 25
 
Answer & Explanation Answer: D) 25

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Filed Under: Average
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Q:

What are the components of X6 - X4 - X5 - X4 + X2 - 4?

A) (X - 1) B) (X + 2)
C) Both 1 and 2 D) Neither 1 nor 2
 
Answer & Explanation Answer: D) Neither 1 nor 2

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Filed Under: Simplification
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Q:

The rate of simple interest per annum at which a sum of money double itself in 162⁄3 yrs. is

A) 4% B) 5%
C) 6% D) 6 2/3%
 
Answer & Explanation Answer: C) 6%

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Filed Under: Simple Interest
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Q:

The square root of 3249 is

A) 63 B) 59
C) 57 D) 67
 
Answer & Explanation Answer: C) 57

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Filed Under: Square Roots and Cube Roots
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Q:

Triangle ΔXYZ is similar to ΔPQR. If XY:PQ=5:1. If Area of ΔPQR is 5 sq cm, what is the area (in sq cm) of ΔXYZ?

A) 125 B) 120
C) 100 D) 64
 
Answer & Explanation Answer: A) 125

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