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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If cot2A -­ cos2A = x, then value of x is

A) tan2Asec2A B) cotAcosA
C) cot2Acos2A D) tanAsecA
 
Answer & Explanation Answer: C) cot2Acos2A

Explanation:
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Filed Under: Simplification
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Q:

Choose the word which is least like the other words in the group.

A) Wheat B) Rice
C) Mustard D) Gram
 
Answer & Explanation Answer: D) Gram

Explanation:
Gram is a unit of mass while others are related to food.
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

A company reduces his employee in the ratio 14 : 12 andincreases their wages in the ratio 16:18. Determine whetherthe bill of wages increases or not and in what ratio

A) Decreases, 28: 27 B) Increases, 27:28
C) Decreases, 29:28 D) Increases, 28:29
 
Answer & Explanation Answer: A) Decreases, 28: 27

Explanation:

Let the initial employee be 14a and final employee be 12a

similarly initial wage is 16b and final wage be 18b

Total initial wage = 14a × 16b = 224ab,

total final wage= 12a × 18b = 216ab

So clearly wages decreases and ratio = 224ab: 216ab= 28 : 27

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Filed Under: Ratios and Proportions

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Q:

In the following question, select the odd number from the given alternatives.

A) 313 B) 426
C) 925 D) 1034
 
Answer & Explanation Answer: A) 313

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Filed Under: Odd Man Out
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Q:

A and B together can do a piece of work in 9 days. If A does thrice the work of B in a given time, the time A alone will take to finish the work is

A) 4 days B) 6 days
C) 8 days D) 12 days
 
Answer & Explanation Answer: D) 12 days

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Filed Under: Time and Work
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Q:

A vendor sells a coconut at Rs 24 and suffers 24% loss. If he wants to make 14% profit, then at what price (in Rs) should he sell?

A) 32 B) 30
C) 36 D) 28
 
Answer & Explanation Answer: C) 36

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Filed Under: Profit and Loss
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Q:

5 years ago the average age of a family which includes father, mother and a son was 35 years. 3 years ago the average age of father and mother was
46 years. What is the present age (in years) of the son?

A) 20 B) 24
C) 26 D) 22
 
Answer & Explanation Answer: D) 22

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

In the given figure, PQRSTU is a regular hexagon of side 12 cm. What is the area (in sq.cm) of triangle SQU?

A) 162√3 B) 216√3
C) 108√3 D) 54√3
 
Answer & Explanation Answer: C) 108√3

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Filed Under: Area
Exam Prep: Bank Exams

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