Aptitude and Reasoning Questions

Q:

The total surface area of a cuboid is 376 sq cm. Find its volume if its length and breadth are 10 cm and 8 cm respectively?

A) 960 cubic cms B) 240 cubic cms
C) 480 cubic cms D) 720 cubic cms
 
Answer & Explanation Answer: C) 480 cubic cms

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Filed Under: Volume and Surface Area
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Q:

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

A) 6x2y - 8xy2 + 15y2z B) 6x2y + 8xy2 - 15y2z
C) 6x2y + 8xy2 - 15y2z - 20xyz D) 6x2y - 8xy2 + 15y2z + 20xyz
 
Answer & Explanation Answer: B) 6x2y + 8xy2 - 15y2z

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Filed Under: Simplification
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Q:

If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is

A) 1 : 2 B) 1 : 4
C) 1 : 7 D) 1 : 8
 
Answer & Explanation Answer: C) 1 : 7

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Filed Under: Ratios and Proportions
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Q:

The point equidistant from the vertices of a triangle is called its

A) incentre B) circumcentre
C) orthocentre D) centroid
 
Answer & Explanation Answer: B) circumcentre

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Q:

If + means division, ­ means multiplication, '÷' means subtraction, x means addition, and < means less than, then which of the following is false?

A) (10+2)÷7 < (10÷7)+2 B) (10­7)x2 < (10x2)­7
C) (10X7)­2 < (10­2)x7 D) (10÷2)+7 < (10+7)x2
 
Answer & Explanation Answer: C) (10X7)­2 < (10­2)x7

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Q:

If the value of √42 is approximately 6.480, then what is the approximate value of √(6/7)?

A) 0.925 B) 0.935
C) 0.945 D) 0.955
 
Answer & Explanation Answer: A) 0.925

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Q:

Mukesh got series of discount 30%, 25%, 15% on his shirt. Find out the single equivalent discount.

A) 52.34% B) 38.35%
C) 55.38% D) 57.38%
 
Answer & Explanation Answer: C) 55.38%

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 493/29 = 17, then 4.93/0.0017 = ?

A) 290 B) 0.29
C) 2.9 D) 2900
 
Answer & Explanation Answer: D) 2900

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Filed Under: Simplification
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