6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Two numbers are 50% and 90% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

A) 80 percent	B) 40 percent
C) 44.44 percent	D) 400 percent

Answer & Explanation Answer: D) 400 percent

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Q:

If cot 60° + cosec 60° = x, then the value of x is

A) (1-2√2)/√2	B) (√3-4)/2√3
C) 1	D) √3

Answer & Explanation Answer: D) √3

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Q:

What is the value of (cot60 + 1/√3) ?

A) 4/√3	B) (2√2+√3)/2
C) 2/√3	D) (2√2+1)/√2

Answer & Explanation Answer: C) 2/√3

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Exam Prep: Bank Exams , CAT

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Q:

Find the unit digit in the given product ${(4211)}^{102} x {(361)}^{52}$ .

A) 3	B) 1
C) 4	D) 7

Answer & Explanation Answer: B) 1

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Q:

When 0.363636.....is converted into a fraction, then the result is _____.

A) 7/11	B) 4/11
C) 14/33	D) 8/33

Answer & Explanation Answer: B) 4/11

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Filed Under: Problems on Numbers
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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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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

A) 18	B) 28
C) 32	D) 36

Answer & Explanation Answer: D) 36

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Filed Under: Volume and Surface Area
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Q:

Reflection of the point (4,-5) in the y-axis is

A) (4,5)	B) (-4,-5)
C) (4,-5)	D) (-4,5)

Quantitative Aptitude - Arithmetic Ability Questions

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