Quantitative Aptitude - Arithmetic Ability Questions

Q:

Select the odd number from the given alternatives.

A) 133 B) 253
C) 231 D) 209
 
Answer & Explanation Answer: A) 133

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

(secA ­- tanA)/(cosecA + cotA) is equal to

A) (secA -­ cotA) / (cosecA + tanA) B) (secA -­ cosA) / (cosecA + sinA)
C) (cosecA -­ cotA) / (secA + tanA) D) (secA + cosA) / (cosecA -­ sinA)
 
Answer & Explanation Answer: C) (cosecA -­ cotA) / (secA + tanA)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

1.1 + 12.12 + 123.123 = ?

A) 134.343 B) 133.433
C) 132.123 D) 136.343
 
Answer & Explanation Answer: D) 136.343

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Two taps X and Y can fill a tank in 15 hours and 20 hours respectively. If the two taps are opened at 2 p.m., then at what time (in p.m.) should the tap X be closed to completely fill the tank at exactly 2 a.m.?

A) 8 B) 7
C) 9 D) 10
 
Answer & Explanation Answer: A) 8

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

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Q:

Solve the following : 27 - [38 - {46 - (15 - 13 - 2)}]

A) 31 B) 35
C) 30 D) 29
 
Answer & Explanation Answer: B) 35

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A shopkeeper by selling 20 Timex watches, earns a profit equal to the selling price of 4 Timex watches. His profit percentage is

A) 20 percent B) 25 percent
C) 30 percent D) 50 percent
 
Answer & Explanation Answer: B) 25 percent

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

In how many different ways could couples be picked from 6 men and 9 women ?

A) 26 B) 54
C) 52 D) 28
 
Answer & Explanation Answer: B) 54

Explanation:

Number of mens = 8

Number of womens = 5

 

Different ways could couples be picked = C16×9C1 = 9 x 6 = 54 ways.

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

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Q:

Expand and simplify (2x + 5)2 *(4x ­- 1) -­ (3x3 - 16x2 + 25x -­ 21)

A) 13x3 + 92x2 -­ 55x + 4 B) 13x3 -­ 92x2 -­ 55x -­ 4
C) 13x3 + 92x2 + 55x -­ 4 D) 13x3 -­ 92x2 + 55x + 4
 
Answer & Explanation Answer: C) 13x3 + 92x2 + 55x -­ 4

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