Quantitative Aptitude - Arithmetic Ability Questions

Q:

If  cos2θ-sinθ = 1/4, then what is the value of sin θ?

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

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Q:

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

A) 289 B) 361.5
C) 481.25 D) 962.5
 
Answer & Explanation Answer: C) 481.25

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Q:

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

 

 

A) 214 B) 424
C) 844 D) 1264
 
Answer & Explanation Answer: C) 844

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Find the value of 27a3 + 1a3, if 9a2 + 1a2 = 43

A) 240 B) 280
C) 320 D) 360
 
Answer & Explanation Answer: B) 280

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the following question, select the related number from the given alternatives.
 
47 : 57 : : 93 : ?

A) 103 B) 122
C) 114 D) 98
 
Answer & Explanation Answer: A) 103

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Q:

The ratio between Ram's age and Rahim's age is 10:11. What is the age of Rahim in percentage of Ram's age

A) 109111% B) 110%
C) 11119% D) 111%
 
Answer & Explanation Answer: B) 110%

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Q:

If 2+x+2-x2+x-2-x=2, then the value of X is

A) 4⁄5 B) 3⁄5
C) 8/5 D) 1/5
 
Answer & Explanation Answer: C) 8/5

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