Quantitative Aptitude - Arithmetic Ability Questions

Q:

The least number to be added to 435 to make it a perfect square is

A) 8 B) 4
C) 3 D) 6
 
Answer & Explanation Answer: D) 6

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

Triangle ΔXYZ is similar to ΔPQR. If XY:PQ=5:1. If Area of ΔPQR is 5 sq cm, what is the area (in sq cm) of ΔXYZ?

A) 125 B) 120
C) 100 D) 64
 
Answer & Explanation Answer: A) 125

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Filed Under: Volume and Surface Area
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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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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Analyze the figure shown below in which DE || BC and the other dimensions are as follows: AD=3 cm, BD=4 cm, AE=4.4 cm and DE=6 cm. Calculate the length (in cm) of BC.

A) 6 B) 8
C) 12 D) 14
 
Answer & Explanation Answer: D) 14

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Filed Under: Volume and Surface Area
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Q:

The side BC of ΔABC is produced to D. If ∠ACD = 114° and ∠ABC= (1/2)∠BAC, then what is the value (in degrees) of ∠BAC?

A) 36 B) 48
C) 76 D) 84
 
Answer & Explanation Answer: C) 76

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

A tent is to be built in the form of a cylinder of radius 5 m surmounted by a cone of the same radius. If the height of the cylindrical part is 6 m and slant height of the conical part is 10 m, how much canvas will be required to build the tent? Allow 20% extra canvas for folding and stitching. (Take π = 22/7)

A) 829.72 sq mts B) 414.86 sq mts
C) 1244.58 sq mts D) 207.43 sq mts
 
Answer & Explanation Answer: B) 414.86 sq mts

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams , CAT

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Q:

The volume of a hemisphere is 19404 cm3. Find its diameter (in cm).

A) 42 B) 21
C) 84 D) 63
 
Answer & Explanation Answer: A) 42

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Filed Under: Volume and Surface Area
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Q:

'P' is the smallest positive integer such that every positive integer N greater than 'P' can be written as a sum of two composite numbers. Then 'P' is

A) 10 B) 3
C) 11 D) 6
 
Answer & Explanation Answer: C) 11

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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