Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is

A) 9 B) 18
C) 21 D) 27
 
Answer & Explanation Answer: C) 21

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) Pen drive B) Floppy disk
C) CD ROM D) Mouse
 
Answer & Explanation Answer: D) Mouse

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

In a triangle ABC, a line is drawn from C which bisects AB at point D. Find the ratio of area of the triangles DBC and ABC.

 

 

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 4x + 5y = 14 and x - 5y = 16 then the value of x and y are

A) 10 and -6/5 B) 6 and 2
C) 10 and 6/5 D) 6 and -2
 
Answer & Explanation Answer: D) 6 and -2

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Q:

If sin = 2/3, find the value of secθ and cotθ

A) √5/2, 2/√5 B) 2/√5, 3/5
C) 3√5/5, √5/2 D) 3/5, 3√5/5
 
Answer & Explanation Answer: C) 3√5/5, √5/2

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Q:

The variance of a set of data is 121. Then the standard deviation of the data is

A) +-11 B) 11
C) 21 D) 60.5
 
Answer & Explanation Answer: B) 11

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Filed Under: Probability
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Q:

Choose the odd word/letters/number/number pair from the given alternatives.

A) 48 B) 180
C) 18 D) 150
 
Answer & Explanation Answer: D) 150

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Filed Under: Odd Man Out
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Q:

Which one does not belong to the group?

A) Zee B) Screen
C) Colors D) Sony
 
Answer & Explanation Answer: B) Screen

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