Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

A) 4 and 32 B) 4 and 64
C) 8 and 64 D) 8 and 32
 
Answer & Explanation Answer: B) 4 and 64

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Filed Under: Ratios and Proportions
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Q:

The length of a rectangle is increased by 25%. To maintain the same area, the breadth has to be decreased by

A) 20% B) 25%
C) 30% D) 40%
 
Answer & Explanation Answer: A) 20%

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

A) 12 cm B) 6 cm
C) 1 cm D) 2 cm
 
Answer & Explanation Answer: D) 2 cm

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Filed Under: Area
Exam Prep: Bank Exams

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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
Exam Prep: Bank Exams

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Q:

ΔXYZ is similar to ΔPQR. If ratio of perimeters of ΔXYZ : ΔPQR is 3:2 and if PQ = 6 cm then what is the length of XY (in cm)?

A) 4 B) 8
C) 12 D) 9
 
Answer & Explanation Answer: D) 9

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

­ If the selling price of an item is Rs 1150 after getting a discount of 8%, what is its marked price?

A) Rs 1250 B) Rs 1242
C) Rs 1058 D) Rs 1064
 
Answer & Explanation Answer: A) Rs 1250

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

A sum of Rs. 3000 amounts to Rs. 6000 in two years at compound interest. The interest for four years is

A) Rs.9000 B) Rs.12000
C) Rs.6000 D) Rs.3000
 
Answer & Explanation Answer: A) Rs.9000

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Q:

If the angle of elevation of the top of a pillar from the ground level is raised from 30° to 60°, the length of the shadow of a pillar of height 503 will be decreased by

A) 60 m B) 75 m
C) 100 m D) 50 m
 
Answer & Explanation Answer: C) 100 m

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