Quantitative Aptitude - Arithmetic Ability Questions

Q:

The surface areas of three faces of a cuboid sharing a vertex are 20, 32 and 40 sq. mts. What is the volume of the cuboid in cub. m?

A) √3024 B) 184
C) 160 D) 92
 
Answer & Explanation Answer: C) 160

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Filed Under: Volume and Surface Area
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Q:

ΔABC is an equilateral triangle and D, E are midpoints of AB and BC respectively. Then the area of ΔABC : the area of the trapezium ADEC is

A) 5:3 B) 4:1
C) 8:5 D) 4:3
 
Answer & Explanation Answer: D) 4:3

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Q:

If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is 

A) 7 B) 6
C) 3.5 D) 2.5
 
Answer & Explanation Answer: C) 3.5

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Q:

Simplify : 132 - 142 + 172 - 250 = ?

A) 196 B) 169
C) 121 D) 144
 
Answer & Explanation Answer: D) 144

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Filed Under: Simplification
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Q:

Which of the following will yield a reclining decimal?

A) 6024 B) 3024
C) 9024 D) 12024
 
Answer & Explanation Answer: C) 9024

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Q:

A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is

A) 1 cm B) 9 cm
C) 0.6 cm D) 1.5 cm
 
Answer & Explanation Answer: A) 1 cm

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Filed Under: Area
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Q:

Find the circumference (in cm) of a circle of radius 10.5 cm

A) 84 B) 35
C) 70 D) 66
 
Answer & Explanation Answer: D) 66

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Q:

If the length of the side of an equilateral triangle is 6 cm, what is its area?

A) 18√3 sq cm B) 36√3 sq cm
C) 27√3 sq cm D) 9√3 sq cm
 
Answer & Explanation Answer: D) 9√3 sq cm

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