6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

A) 57 percent	B) 36.31 percent
C) 71.25 percent	D) 33.33 percent

Answer & Explanation Answer: D) 33.33 percent

Explanation:

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Q:

A number is divided into two parts in such a way that 30% of first part is 25 more than the 20% of second part. 50% of second part is 33.5 more than the 60% of first part. What is the number?

A) 1475	B) 1655
C) 1425	D) 1905

Answer & Explanation Answer: A) 1475

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Q:

If $x + \frac{1}{x} = 5,$ then the value of $\frac{x}{1 + x + x^{2}}$ is

A) 1/5	B) 1/6
C) 5	D) 6

Answer & Explanation Answer: B) 1/6

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Exam Prep: Bank Exams

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Q:

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount

A) Rs.129	B) Rs.140
C) Rs.150	D) Rs.160

Answer & Explanation Answer: B) Rs.140

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Q:

Expand and simplify ${(3 x + 2)}^{2} * (4 x - 3) - (2 x^{3} - 9 x^{2} + 12 x - 24)$

A) 34x3 + 30x2 - 32x - 12	B) 34x3 + 30x2 - 32x + 12
C) 34x3 - 30x2 - 32x + 12	D) 34x3 - 30x2 + 32x - 12

Answer & Explanation Answer: B) 34x3 + 30x2 - 32x + 12

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Q:

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

Quantity I: 3 years ago the ratio of age of A and B is 3: 4 after 2 years the sum of their ages is 45. Then find the present age of A?

Quantity II: 5 years ago, the ratio of age of p and Q id 3: 4 P’s age after 6 years is equal to the present age of Q. the find the present age of P?

A) Quantity I > Quantity II	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 3 year ago the age of A and B be 3x and 4x respectively

Then ATQ 3x+5+4x+5=45 X=5

Hence present age of A=3x+3=18year

Quantity II== Let 5 year ago the age of p and q be 3x and 4x respectively

Then ATQ

3x+11=4x+5

X=6 Hence present age of P=3x+5=23

Hence Quantity I < Quantity II

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Filed Under: Problems on Ages

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Q:

The sum of two angles of a triangle is 116o and their difference is 24o . The measure of smallest angle of the triangle is

A) 38°	B) 28°
C) 46°	D) 64°

Answer & Explanation Answer: C) 46°

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?

A) 3000	B) 1500
C) 1750	D) 2000

Quantitative Aptitude - Arithmetic Ability Questions

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