Quantitative Aptitude - Arithmetic Ability Questions

Q:

The average revenues of 9 consecutive years of a company is Rs 76 lakhs. If the average of first 5 years is Rs 71 lakhs and that of last 5 years is Rs 83 lakhs, find the revenue for the 5th year.

A) Rs 88 lakhs B) Rs 84 lakhs
C) Rs 86 lakhs D) Rs 82 lakhs
 
Answer & Explanation Answer: C) Rs 86 lakhs

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Filed Under: Average
Exam Prep: Bank Exams , CAT

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Q:

If N = 0.369369369369... and M = 0.531531531531..., then what is the value of (1/N) + (1/M)?

A) 11100/2419 B) 111/100
C) 1897/3162 D) 2419/11100
 
Answer & Explanation Answer: A) 11100/2419

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Exam Prep: Bank Exams

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Q:

If a wholesaler, sells a tin of coffee at Rs 528 he faces a loss of 12%. Now if he decides to sell it at Rs 636, what will be the profit (in %)?

A) 7 B) 5
C) 6 D) 4
 
Answer & Explanation Answer: C) 6

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?

A) 1011.11 percent B) 45.5 percent
C) 91 percent D) 505.56 percent
 
Answer & Explanation Answer: C) 91 percent

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Q:

Find k, if the line 2x- ­3y = 11 is perpendicular to the line 3x + ky = -­4?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If √3 = 1.732, then the value of 9+233?

A) 7.169 B) 7.196
C) 5.198 D) 7.296
 
Answer & Explanation Answer: B) 7.196

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Q:

A tyre is sold at three successive discounts of 20%,30%, and 20%. What is the net discount (in percentage)

A) 62.8 B) 59.6
C) 55.2 D) 51.4
 
Answer & Explanation Answer: C) 55.2

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Q:

A vendor buys pens at the rate of 4 for Rs 5 and sells at the rate of 4 for Rs 3. What will be the result?

A) 40 percent gain B) 66.6 percent loss
C) 66.66 percent gain D) 40 percent loss
 
Answer & Explanation Answer: D) 40 percent loss

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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