6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?

A) sin (A/2) cos A	B) cot (A/2)
C) tan (A/2)	D) sin A cos (A/2)

Answer & Explanation Answer: C) tan (A/2)

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Filed Under: Simplification
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Q:

If x + y + z = 0, then what is the value of $(3 y^{2} + x^{2} + z^{2}) / (2 y^{2} - xz) ?$

A) 2	B) 1
C) 3/2	D) 5/3

Answer & Explanation Answer: A) 2

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Q:

The difference between the compound interest compounding half yearly for 1 year and the simple interest for 1 year on a certain sum of money lent out at 8% per annum is Rs 64. What is the sum (in Rs)?

A) 40000	B) 42000
C) 44000	D) 44800

Answer & Explanation Answer: A) 40000

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

If P travelled the first half of a journey at 40 kmph and the the remaining distance at 50 kmph, what is the average speed of his travel?

A) 44.44 kmph	B) 53.33 kmph
C) 45 kmph	D) 60 kmph

Answer & Explanation Answer: A) 44.44 kmph

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years. Then what is the present age of the wife?

A) 60 years	B) 51 years
C) 48 years	D) 45 years

Answer & Explanation Answer: D) 45 years

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

What is the value of Sin 30° - Cosec 45°?

A) (2√6 - 1)/√3	B) (1 - 2√3)/2
C) (√2 - √3)/√6	D) (1 - 2√2)/2

Answer & Explanation Answer: D) (1 - 2√2)/2

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Q:

If √[(1 + cosA)/2] = x, then find the value of x.

A) sin(A/2)	B) tan(A/2)
C) cot(A/2)	D) cos(A/2)

Answer & Explanation Answer: D) cos(A/2)

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Q:

Find two numbers whose sum is 29 and the product is 100.

A) 20, 5	B) 20, 9
C) 25, 4	D) 10, 10

Quantitative Aptitude - Arithmetic Ability Questions

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