Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the following pairs is NOT a pair of twin primes?

A) 71, 73 B) 131, 133
C) 191, 193 D) 11, 13
 
Answer & Explanation Answer: B) 131, 133

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Filed Under: Problems on Numbers
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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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Filed Under: Volume and Surface Area
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Q:

Which of the following is a true statement?

A) Two similar triangles are always congruent. B) Two similar triangles have equal areas
C) Two triangles are similar if their corresponding sides are proportional D) Two polygons are similar if their corresponding sides are proportional
 
Answer & Explanation Answer: C) Two triangles are similar if their corresponding sides are proportional

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Filed Under: Volume and Surface Area
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Q:

What is the slope of the line parallel to the line passing through the points (6,­3) and (2,­1)?

A) -1/2 B) -1
C) 2 D) 1
 
Answer & Explanation Answer: A) -1/2

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Q:

A sum of Rs. 2000 at 40% per annum compounded annually. Calculate the interest for the third your at compound interest.

A) 1500 B) 1600
C) 1568 D) 1750
 
Answer & Explanation Answer: C) 1568

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Filed Under: Compound Interest
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Q:

Solve : (x + 2y) (2x - y)

A) 2x2 + 5xy + 2y2 B) 2x2 + 3xy - 2y2
C) x2 + 4xy + y2 D) x2+ 4xy - y2
 
Answer & Explanation Answer: B) 2x2 + 3xy - 2y2

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Filed Under: Simplification
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Q:

The co-ordinates of the centroid of a triangle ABC are (-1,-2) what are the co-ordinates of vertex C, if co-ordinates of A and B are (6,-4) and (-2,2) respectively?

A) (-7,-4) B) (7,4)
C) (7,-4) D) (-7,4)
 
Answer & Explanation Answer: A) (-7,-4)

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Filed Under: Numbers
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Q:

The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is

A) 10 m B) 10√3m
C) 60 m D) 30 m
 
Answer & Explanation Answer: D) 30 m

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