Quantitative Aptitude - Arithmetic Ability Questions

Q:

The LCM of 14, 21 and 35 is

A) 7 B) 140
C) 70 D) 210
 
Answer & Explanation Answer: D) 210

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

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Q:

If cos -4π/3 = x, then the value of x is

A) √3/2 B) 1/2
C) -√3/2 D) -1/2
 
Answer & Explanation Answer: D) -1/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

A) 11, 14 B) 11, ­-14
C) 14, -­11 D) 14, -­22
 
Answer & Explanation Answer: B) 11, ­-14

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?

A) 5 : 7 B) 25 : 49
C) √5 : √7 D) 125 : 343
 
Answer & Explanation Answer: C) √5 : √7

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

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Q:

If a cylinder of radius 7 cm and height 9 cm is melted and constructed into a cone of the same radius, what will be the height of this cone?

A) 54 cm B) 9 cm
C) 27 cm D) 13.5 cm
 
Answer & Explanation Answer: C) 27 cm

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

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Q:

On Selling a book at 9/14 of the marked price there is loss of 10%. What will be the ratio of marked price and cost price of the book?

 

A) 5 : 9 B) 5 : 8  
C) 7 : 4   D) 7 : 5
 
Answer & Explanation Answer: D) 7 : 5

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Slit 69 into three parts such that they are in A.P. and the product of their smaller parts is 483.

A) 19,23,27 B) 17,23,29
C) 15,23,31 D) 21,23,25
 
Answer & Explanation Answer: D) 21,23,25

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

If (x - 13)2 + (y - 4)2 = 0, then the value of y + xy - x ?

A) 11/13 B) 13/11
C) 16/9 D) 9/16
 
Answer & Explanation Answer: B) 13/11

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