6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Sec 45% + Tan 30% =

A) (√6 + 1)/√3	B) (1 + √3)/2
C) (√3 + 2)/√3	D) 5/√3

Answer & Explanation Answer: A) (√6 + 1)/√3

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Q:

If A and B are the roots of the equation ${Ax}^{2} - A^{2} x + AB = 0$ , then what is the value of A and B respectively?

A) 1, 0	B) 1, 1
C) 0, 2	D) 0, 1

Answer & Explanation Answer: A) 1, 0

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Q:

What is the value of $\frac{1}{\sin^{4} (90 - θ)} + \frac{1}{[\cos^{2} (90 - θ) - 1]}$ ?

A) tan2θ sec2θ	B) sec4θ
C) tan4θ	D) tan2θ sin2θ

Answer & Explanation Answer: A) tan2θ sec2θ

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Q:

√[(1 sinA)/(1 + sinA)] is equal to?

A) secA - tanA	B) cosecA - cotA
C) secA + tanA	D) cosecA + cotA

Answer & Explanation Answer: A) secA - tanA

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Q:

What is the value of sin(11π/6)?

A) 2/√3	B) -2/√3
C) -1/2	D) 1/2

Answer & Explanation Answer: C) -1/2

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Q:

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

A) (1 + √3)/2	B) (1 + 3√2)/√3
C) 7/3	D) (3 + 2√2)/3√2

Answer & Explanation Answer: C) 7/3

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Q:

Among three numbers , second is twice the first and also thrice the third . If the average of the three numbers is 33 , then the largest number is

A) 36	B) 54
C) 62	D) 72

Answer & Explanation Answer: B) 54

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Q:

A sum of Rs 4000 becomes Rs 7000 in 6 years at simple interest. If the rate of interest becomes double of itself, then what will be the amount (in Rs) after 6 years?

A) 8500	B) 9000
C) 8000	D) 10000

Quantitative Aptitude - Arithmetic Ability Questions

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