6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The marked price of a chair is 40% more than its cost price. If the chair is sold for Rs 520 after a discount of Rs 40, then what will be the profit percentage?

A) 33	B) 40
C) 25	D) 30

Answer & Explanation Answer: D) 30

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

A trader had 1200 kgs of rice. He sold a part of it at 5% profit and the rest at 11% profit, so that he made a total profit of 7%. How much (in kg) wheat did he sell at 5% profit?

A) 900	B) 600
C) 400	D) 800

Answer & Explanation Answer: D) 800

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Each question contains Quantity I and Quantity II. Read the contents carefully and answer your questions accordingly.

Quantity I: there are three numbers in the ratio 5:6:10. The sum of the largest and the smallest numbers is 126 more than the other number. Find the largest number?

Quantity II: 12% of first number is equal to 25 % second number. The difference of these two numbers is 78. Then find the largest number?

A) Quantity I > Quantity I	B) Quantity I ≥ Quantity II
C) Quantity I < Quantity II	D) Quantity I < Quantity II

Answer & Explanation Answer: C) Quantity I < Quantity II

Explanation:

Quantity I= Let the three numbers will be 5x, 6x and 10x respectively

ATQ

10x+5x−6x=126

9x=126 X=14

So largest number =10x=10×14=140

Quantity II=let x and y are two numbers

ATQ

12% of x=25%of y And their difference is 78

So first no.=150 2nd no.=72

Hence Quantity I < Quantity II

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Filed Under: Ratios and Proportions

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Q:

If $\sec^{2} A + {cosec}^{2} A = X$ , then the value of X is

A) tan2A cot2A	B) sinA cosA
C) secA cosecA	D) sec2A cosec2A

Answer & Explanation Answer: D) sec2A cosec2A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the value of $\sqrt{473 + \sqrt{529} + \sqrt{256} + \sqrt{289}}$ ?

A) 27	B) 23
C) 19	D) 39

Answer & Explanation Answer: B) 23

Explanation:

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

The simple interest on a sum for 20 years is 5/4 of the principal. What is the per annum rate (in percentage) of interest?

A) 6.25	B) 12.5
C) 2.5	D) 5

Answer & Explanation Answer: A) 6.25

Explanation:

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Filed Under: Average

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Q:

If $a^{x} = b^{y} = c^{z}$ and $b^{2} = ac$ , then what is $\frac{1}{x} + \frac{1}{z}$ equal to ?

A) 1/y	B) -1/y
C) 2/y	D) -2/y

Answer & Explanation Answer: C) 2/y

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If xy = 22 and $x^{2} + y^{2} = 100$ , then what will be the value of (x + y)?

A) 12	B) 144
C) 72	D) 6

Quantitative Aptitude - Arithmetic Ability Questions

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