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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

A) 2 B) 5
C) 6 D) 9
 
Answer & Explanation Answer: D) 9

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Q:

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

A) Tabla B) Tanpura
C) Sarod D) Sitar
 
Answer & Explanation Answer: A) Tabla

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Q:

The standard deviation of the set {10, 11, 12, 9, 8} is

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

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Q:

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

A) Throat B) Eye
C) Ear D) Skin
 
Answer & Explanation Answer: A) Throat

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Q:

Expand and simplify (3x + 2)2*(4x -­ 3) -­ (2x3 - 9x2 + 12x -­ 24)

A) 34x3 + 30x2 -­ 32x -­ 12 B) 34x3 + 30x2 -­ 32x + 12
C) 34x3 -­ 30x2 -­ 32x + 12 D) 34x3 -­ 30x2 + 32x -­ 12
 
Answer & Explanation Answer: B) 34x3 + 30x2 -­ 32x + 12

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Q:

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

A) 2x -­ y = 14 B) 2x + y = 10
C) 2x -­ y = 10 D) 2x + y = 14
 
Answer & Explanation Answer: C) 2x -­ y = 10

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Q:

What is the value of (1/√3 + sin45 ) ?

A) √3+2 B) (√2+√3)/√6
C) (1+√6)/√3 D) (4+√3)/2
 
Answer & Explanation Answer: B) (√2+√3)/√6

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Q:

If the age of Rahul is 5 years more than his friend Ajay's age and the age of Rahul's wife is 6 years less than Rahul, and Ajay's wife is 1 year older than Rahul's wife, then which of the following statements is true?

A) Rahul's age and Ajay's wife's age is same. B) Ajay's wife's age and Ajay's age is same.
C) Rahul and Ajay are of the same age. D) Rahul and Ajay's age difference is 3 years.
 
Answer & Explanation Answer: B) Ajay's wife's age and Ajay's age is same.

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