6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

A) 20 days	B) 20 days
C) 40 days	D) 10 days

Answer & Explanation Answer: D) 10 days

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Exam Prep: Bank Exams

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Q:

If the ratio of cost price and selling price be 10:11, then the profit percentage is

A) 1%	B) 10%
C) 5%	D) 8%

Answer & Explanation Answer: B) 10%

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Q:

In an acute-angled triangle ABC is Sin(B+A+C)= $\frac{\sqrt{3}}{2}$ and tan(C+A-B)=1, then C is equal to

A) 37.5°	B) 67.5°
C) 52.5°	D) 72.5°

Answer & Explanation Answer: C) 52.5°

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Q:

What is the value of $\sin (90 ° + 2 A) [4 - \cos 2 (90 ° - 2 A)] ?$

A) 2(cos3 A – sin3 A)	B) 2(cos3 A + sin3 A)
C) 4(cos6 A+ sin6 A)	D) 4(cos6 A – sin6 A)

Answer & Explanation Answer: D) 4(cos6 A – sin6 A)

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Q:

Find x, if $\sqrt{5 x - 6} + \sqrt{5 x + 6} = 6$

A) -4	B) 0
C) 2	D) 4

Answer & Explanation Answer: C) 2

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Q:

ax + 3y = 6 has slope -2/3. What is the value of a?

A) -2	B) 2
C) 3	D) -3

Answer & Explanation Answer: B) 2

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Q:

The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?

A) x = -7; y = 7	B) x = 3; y = -3
C) x = 7; y = -7	D) x = -3; y = 3

Answer & Explanation Answer: C) x = 7; y = -7

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Q:

If $x = \sqrt{3} + \frac{1}{\sqrt{3}}$ , then the value of $(x - \frac{\sqrt{126}}{\sqrt{42}}) (x - \frac{1}{x - \frac{2 \sqrt{3}}{3}})$ is

A) √3/6	B) 2√3/6
C) 5/6	D) 2/3

Quantitative Aptitude - Arithmetic Ability Questions

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