Quantitative Aptitude - Arithmetic Ability Questions

Q:

A hollow hemispherical bowl is made of silver with its outer radius 8 cm and inner radius 4 cm respectively. The bowl is melted to form a solid right circular cone of radius 8 cm. The height of the cone formed is

A) 7 cm B) 9 cm
C) 12 cm D) 14 cm
 
Answer & Explanation Answer: D) 14 cm

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Q:

If an interior of a regular polygon is 170o, then the number of sides of the polygon is

A) 30 B) 20
C) 18 D) 27
 
Answer & Explanation Answer: A) 30

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Q:

Volume of a cylinder is 2310 cubic cm. If circumference of its base is 44 cm, find the curved surface area of the cylinder?

A) 660 sq cm B) 1320 sq cm
C) 1980 sq cm D) 330 sq cm
 
Answer & Explanation Answer: A) 660 sq cm

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Q:

The height of a cone is 24 cm and the area of the base is 154 cm2 . What is the curved surface area (in cm2) of the cone?

A) 484 B) 550
C) 525 D) 515
 
Answer & Explanation Answer: B) 550

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Q:

A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area of the circle?

A) 308 sq cm B) 462 sq cm
C) 154 sq cm D) 616 sq cm
 
Answer & Explanation Answer: C) 154 sq cm

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Filed Under: Simplification
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Q:

The perimeter and the breadth of a rectangle are 82 cm and 20 cm respectively. Calculate the length of its diagonal (in cm).

 

A) 58 B) 21
C) 42 D) 29
 
Answer & Explanation Answer: D) 29

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Filed Under: Area
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Q:

In a rhombus _____.

A) opposite angles are supplementary B) diagonals form two congruent triangles
C) diagonals are congruent D) diagonals do not bisect opposite angles
 
Answer & Explanation Answer: B) diagonals form two congruent triangles

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Q:

If the lengths of the two parallel sides of a trapezium are 4 cm and 6 cm and its area is 25 cm². Find the distance between its parallel sides (in cm).

A) 2.5 B) 10
C) 5 D) 7.5
 
Answer & Explanation Answer: C) 5

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