6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If 2cosAsinB = x, then the value of x is?

A) sin(A+B) + sin(A-B)	B) cos(A+B) + cos(A-B)
C) sin(A+B) - sin(A-B)	D) cos(A-B) - cos(A+B)

Answer & Explanation Answer: C) sin(A+B) - sin(A-B)

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Filed Under: Simplification
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Q:

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

A) Rs. 300	B) Rs. 350
C) Rs. 400	D) Rs. 450

Answer & Explanation Answer: C) Rs. 400

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If (tanA - tanB)/(1 + tanAtanB) = x, then the value of x is

A) tan(A - B)	B) tan(A + B)
C) cot(A - B)	D) cot(A + B)

Answer & Explanation Answer: A) tan(A - B)

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Q:

Find the value of $\sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7 \sqrt{7}}}}}}$ ?

A) 73164	B) 7164
C) 76364	D) 7764

Answer & Explanation Answer: C) 76364

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Q:

In an army selection process, the ratio of selected to unselected was 5:1. If 100 less had applied and 20 less selected, the ratio of selected to unselected would have been 6:1. How many candidates had applied for the process?

A) 5520	B) 2760
C) 1380	D) 8280

Answer & Explanation Answer: B) 2760

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

In the following question, select the odd number pair from the given alternatives.

A) 11 – 121	B) 13 – 169
C) 19 – 391	D) 21 – 441

Answer & Explanation Answer: C) 19 – 391

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 844	B) 972
C) 716	D) 345

Answer & Explanation Answer: D) 345

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Q:

Four pairs of words are given. Find the odd one out.

A) Rhombus : Four-sided polygon	B) Nonagon : Seven-sided polygon
C) Octagon : Eight-sided polygon	D) Hexagon : Six-sided polygon

Quantitative Aptitude - Arithmetic Ability Questions

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