Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

A) 219 B) 137
C) 231 D) 279
 
Answer & Explanation Answer: D) 279

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Filed Under: Problems on Numbers
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Q:

A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years. Then what is the present age of the wife?

A) 60 years B) 51 years
C) 48 years D) 45 years
 
Answer & Explanation Answer: D) 45 years

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

A) 10 percent B) 10.5 percent
C) 9.5 percent D) 11 percent
 
Answer & Explanation Answer: C) 9.5 percent

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

If x+1x = 2, then x2+1x2 = ?

A) 0 B) 2
C) 4 D) 8
 
Answer & Explanation Answer: B) 2

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Q:

In a cricket match, the scores of the players are considered such that coefficient of variation of scores is 16 and mean is 25 then the variance is

 

A) 12 B) 8
C) 16 D) 4
 
Answer & Explanation Answer: C) 16

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Filed Under: Average
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Q:

If 12x = 192- 112, what is the value of x?

A) 20 B) 17
C) 13 D) 11
 
Answer & Explanation Answer: A) 20

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Filed Under: Simplification
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Q:

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

A) 532 B) 413
C) 111 D) 541
 
Answer & Explanation Answer: C) 111

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If (sec2A - 1)/secA = x, then the value of x is

A) cosecA B) cosA
C) sinA D) tanA
 
Answer & Explanation Answer: C) sinA

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Filed Under: Simplification
Exam Prep: Bank Exams

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