6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If Tan θ = 7/24, then what is the value of Sec θ?

A) 24/25	B) 24/7
C) 25/7	D) 25/24

Answer & Explanation Answer: D) 25/24

Explanation:

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Q:

What is the value of $\sin^{2} 25 ° + \sin^{2} 65 °$ ?

A) 0	B) 1
C) 2	D) 4

Answer & Explanation Answer: B) 1

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Q:

If y% of y is 289, then what is the value of y?

A) 149	B) 160
C) 170	D) 173

Answer & Explanation Answer: C) 170

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Filed Under: Percentage
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Q:

A rectangular red carpet of size 6 ft ×12 ft has a dark red border 6 inches wide. What is the area of the dark red border?

A) 9 square feet	B) 15 square feet
C) 17 square feet	D) 18 square feet

Answer & Explanation Answer: C) 17 square feet

Explanation:

Initially carpet is 6×12 = 72 sq feet

Since red border is 6 inches wide from all 4 side

So area without border = 5× 11 = 55 sq feet

Area of border = total–area without border = 72–55 = 17 sq feet

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Filed Under: Volume and Surface Area
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Q:

Amar can complete a work in 30 days and Raman can complete the same work in 15 days. If both of them work together, then in 4 days what percent of the total work will be completed?

A) 15	B) 37
C) 40	D) 45

Answer & Explanation Answer: C) 40

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Q:

If a : b = c : d = 1 : 6, then what is the value of $\frac{a^{2} + c^{2}}{b^{2} + d^{2}}$ ?

A) 1/600	B) 1/60
C) 1/36	D) 1/360

Answer & Explanation Answer: C) 1/36

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Q:

M is thrice as good as workman as N and together they finish a piece of work in 30 days. In how many days will M alone finish the work?

A) 50	B) 40
C) 60	D) 45

Answer & Explanation Answer: B) 40

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Q:

An article is listed at Rs 2375. A man purchases it at two successive discounts of 50% and 25% and spends Rs 165 on repairing of article. If he sells thearticle at a profit of 62.5%, then what is the selling price (in Rs) of the article?

A) 1467.6	B) 1492.6
C) 1715.39	D) 1467.6

Quantitative Aptitude - Arithmetic Ability Questions

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