Aptitude and Reasoning Questions

Q:

What is the curved surface area (in cm²) of a hemisphere of diameter 42 cm?

A) 2332 B) 1778
C) 1556 D) 2772
 
Answer & Explanation Answer: D) 2772

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Q:

The area and the length of one of the diagonals of a rhombus is 60 cm2 and 8 cm respectively. Find the length of its other diagonal (in cm).

A) 7.5 B) 30
C) 22.5 D) 15
 
Answer & Explanation Answer: D) 15

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Q:

The total surface area of a hemisphere is 41.58 sq cm, find its radius.

A) 4.2 cm B) 0.7 cm
C) 1.05 cm D) 2.1 cm
 
Answer & Explanation Answer: D) 2.1 cm

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Q:

If 2x - 6 ≤ x - 3 and 1+3x < 4x + 4, then x can take which of the following values?

A) 4 B) -4
C) -6 D) 2
 
Answer & Explanation Answer: D) 2

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Filed Under: Simplification
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Q:

Two women A and B are shopping in a mall. They start from the same point. A walks 150 m West, then turns to her left and walks 160 m. B walks 140 m East, then turns South and walks 160 m, then turns to her left and walks 120 m. Where is B with respect to A now?

A) 410 m West B) 410 m East
C) 170 m East D) 170 m West
 
Answer & Explanation Answer: B) 410 m East

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Filed Under: Statement and Conclusions
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Q:

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

A) 3x - 2y = 6 B) 3x - 2y = -6
C) 2x - 3y = -6 D) 2x - 3y = 6
 
Answer & Explanation Answer: B) 3x - 2y = -6

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Q:

A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.

A) 40 km B) 60 km
C) 70 km D) 80 km
 
Answer & Explanation Answer: B) 60 km

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Q:

The bar graph shows average marks scored in a 100 marks Maths exam by students of 7 divisions of Standard X. Study the diagram and answer the following questions.

Average marks of division C were lesser than that of division E by _________

A) 10% B) 5%
C) 6.67% D) 7.77%
 
Answer & Explanation Answer: C) 6.67%

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