6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Find the odd one out of the following number series?

56, 64, 48, 90, 16, 144

A) 48	B) 64
C) 90	D) 16

Answer & Explanation Answer: C) 90

Explanation:

The given number series follows a pattern that,

56

56 + 8 = 64

64 - 16 = 48

48 + 32 = 80 (Not equal to 90)

80 - 64 = 16

16 + 128 = 144

Hence, the odd number in the given number series is 90.

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Filed Under: Odd Man Out
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4 80131

Q:

Fill in the blanks

sinA = _____ x cosA

A) sinA	B) tanA
C) cotA	D) cosA

Answer & Explanation Answer: B) tanA

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 79875

Q:

Find the odd man out of the following series?

6, 8, 5, 10, 4, 14

A) 8	B) 10
C) 4	D) 5

Answer & Explanation Answer: C) 4

Explanation:

The given number series is 6, 8, 5, 10, 4, 14

6

6 + 2 = 8

8 - 3 = 5

5 + 5 = 10

10 - 7 = 3

3 + 11 = 14

...

Hence, the odd man in the given series is 4.

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Filed Under: Odd Man Out
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1 79827

Q:

Simplify the following and find the value of ?

$\frac{1}{3} of ? + \frac{4}{7} of \frac{11}{4} of 539 = 31 % of 2000$

A) 1134	B) 1237
C) 1187	D) 1249

Answer & Explanation Answer: A) 1134

Explanation:

$\frac{1}{3} x ? + \frac{4}{7} x \frac{11}{4} x 539 = \frac{31}{100} x 2000 ? = 378 x 3 ? = 1134$

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Filed Under: Simplification
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18 79556

Q:

The average of two numbers is 10 and the product of two numbers is 96. Find the two numbers.

A) 3, 32	B) 12, 8
C) 1, 96	D) 24, 4

Answer & Explanation Answer: B) 12, 8

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

4 79418

Q:

If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle.

A) 110	B) 120
C) 130	D) 140

Answer & Explanation Answer: B) 120

Explanation:

let length = x and breadth = y then

2(x+y) = 46 => x+y = 23

x²+y² = 17² = 289

now (x+y)² = 23²

=> x²+y²+2xy= 529

=> 289+ 2xy = 529

=> xy = 120

area = xy = 120 sq.cm

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Filed Under: Area
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287 79335

Q:

A's salary is 40% of B's salary which is 25% of C's salary. What percentage of C's salary is A's salary ?

A) 10	B) 20
C) 30	D) 40

Answer & Explanation Answer: A) 10

Explanation:

A's Salary = 40% of B = 40% of (25% of C) = 40/100[(52/100)*100] % of C = 10% of C.

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Filed Under: Percentage

228 79196

Q:

Solve the following :

(-8) [36 / {7 - (-2)}] / (-4){19 - (-3) x (-5)} = ?

A) 4	B) -4
C) -2	D) 2

Quantitative Aptitude - Arithmetic Ability Questions

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