6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $\frac{a}{1 - 2 a} + \frac{b}{1 - 2 b} + \frac{c}{1 - 2 c} = \frac{1}{2}, then \frac{1}{1 - 2 a} + \frac{1}{1 - 2 b} + \frac{1}{1 - 2 c}$ value is

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

Answer & Explanation Answer: D) 4

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

A) 7.25	B) 6.25
C) 16.5	D) 5.25

Answer & Explanation Answer: C) 16.5

Explanation:

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Exam Prep: Bank Exams

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Q:

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

A) 2890	B) 3375
C) 1728	D) 1331

Answer & Explanation Answer: A) 2890

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If the price of sugar is decreased by 18%, then a person can buy 16.2 kg sugar more for Rs 4500. What will be the new price (in Rs) of sugar per kg?

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

Answer & Explanation Answer: D) 50

Explanation:

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers

I. 2x ² –21x + 54 = 0

II. y ² –14y + 49 = 0

A) x = y or relation can’t be established between x and y	B) x > y
C) x < y	D) x ≥ y

Answer & Explanation Answer: C) x < y

Explanation:

I. 2x ² –21x + 54 = 0(x -6)(2x -9)x =+6, +9/2

II. y ² –14y + 49 = 0(y-7) (y-7)y = +7, +7y > x

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Filed Under: Simplification
Exam Prep: Bank Exams

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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:

A sum becomes Rs 10000 in 10 years on simple interest at the rate of 10% per annum. What is the total interest (in Rs) of the 10 years?

A) 4000	B) 5000
C) 2500	D) 4500

Answer & Explanation Answer: B) 5000

Explanation:

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Filed Under: Simple Interest
Exam Prep: Bank Exams , CAT

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Q:

If 169 is subtracted from the square of a number, then the result obtained is 7056. What is the number?

A) 75	B) 78
C) 85	D) 87

Quantitative Aptitude - Arithmetic Ability Questions

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