Quantitative Aptitude - Arithmetic Ability Questions

Q:

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A  90°

 

A) 60 B) 45
C) 40 D) 30
 
Answer & Explanation Answer: B) 45

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Filed Under: Simplification
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Q:

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

A) 7.8 m B) 7.8 m/s
C) 7.8 m-s D) 6.67 m/s
 
Answer & Explanation Answer: B) 7.8 m/s

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Q:

In ABC, A + B = 75 and B + C = 140, then B = 

A) 40 B) 35
C) 55 D) 45
 
Answer & Explanation Answer: B) 35

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Q:

Which of the following is not true for a rhombus?

A) All sides are congruent B) Opposite sides are parallel
C) Diagonals are equal D) Diagonals bisect each other at right angles
 
Answer & Explanation Answer: C) Diagonals are equal

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Filed Under: Volume and Surface Area
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Q:

The radius of a cylindrical milk container is half its height and surface area of the inner part is 616 sq.cm. The amount of milk that the container can hold, approximately, is [ Use : √5 = 2.23 and π = 22/7 ]

A) 1.42 litres B) 1.53 litres
C) 1.71 litres D) 1.82 litres
 
Answer & Explanation Answer: B) 1.53 litres

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Filed Under: Volume and Surface Area
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Q:

In an isosceles triangle ABC, AB = AC, XY || BC. If A = 30, then BXY = 

A) 75° B) 30°
C) 150° D) 105°
 
Answer & Explanation Answer: D) 105°

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Filed Under: Volume and Surface Area
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Q:

If the curved surface area of a right circular cone is 10010 sq cm and its radius is 35 cm, find its volume?

A) 6930 cubic cm B) 13860 cubic cm
C) 3465 cubic cm D) 27720 cubic cm
 
Answer & Explanation Answer: B) 13860 cubic cm

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Q:

The ratio of present ages of Rangana and Sayed is 7:5. After 11 years the ratio of their ages will be 4:3. What is Rangana's present age?

A) 55 B) 77
C) 70 D) 96
 
Answer & Explanation Answer: B) 77

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Filed Under: Problems on Ages
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