6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

M is the largest three digit number which when divided by 6 and 5 leaves remainder 5 and 3 respectively. What will be the remainder when M is divided by 11?

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

A shopkeeper wants to earn 33% profit on an article after offering 30% discount. By how much percentage more he should mark the price of his article above cost price?

A) 90	B) 63
C) 69	D) 72

Answer & Explanation Answer: A) 90

Explanation:

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

On a certain item profit is 120%. If the cost price increases by 10% then what will be the new profit margin (in %) if selling price remains the same?

A) 50	B) 60
C) 100	D) 90

Answer & Explanation Answer: C) 100

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Q:

If a merchant offers a discount of 4% on the list price, then she makes a loss of 10%. What % profit or % loss will she make if she sells at a discount of 20% of the list price?

A) 25 percent loss	B) 4 percent loss
C) 50 percent profit	D) 26 percent profit

Answer & Explanation Answer: A) 25 percent loss

Explanation:

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Q:

How many 100 digit positive number are there?

A) 9 × 1099	B) 9 × 10100
C) 10100	D) 11 × 1098

Answer & Explanation Answer: A) 9 × 1099

Explanation:

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Exam Prep: Bank Exams

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Q:

3/8 as a decimal

A) 1.375	B) 2.375
C) 0.375	D) 3.75

Answer & Explanation Answer: C) 0.375

Explanation:

Expressing 3/8 as a decimal fraction:

We can convert 3/8 into a decimal fraction by just dividing 3 by 8 or making 3 into 8 parts.

Then, it is 3/8 = 0.375 as a decimal fraction.

Other Method::

3/8 as a Decimal :

In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple.

Now to make 8 into 1000, we multiply numerator and denominator with 125

=> ( $\frac{3 x 125}{8 x 125} = \frac{375}{1000} = 0.375$

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Filed Under: Decimal Fractions
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

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Q:

(P - 4)(P - 6)

Simplify the above?

Answer

(P - 4)(P - 6)

Now applying distributive property, we get

P.P - 4.P - 6.P + 6.4

P^2 - 10P + 24

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Subject: Simplification Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

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Q:

If (x + 1/x) = 3, then $x^{8} + \frac{1}{x^{8}}$ is equal to

A) 2201	B) 2203
C) 2207	D) 2213

Quantitative Aptitude - Arithmetic Ability Questions

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