6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

What value will come in place of question mark (?) in following number series?

12, 16, 32, 68, ?

A) 198	B) 164
C) 132	D) 118

Answer & Explanation Answer: C) 132

Explanation:

Given series is

12 16 32 68 ?

Here it follows a pattern that,

12

12 + (2x2) = 16

16 + (4x4) = 32

32 + (6x6) = 68

68 + (8x8) = 132

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Filed Under: Odd Man Out
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7 94810

Q:

If the circumference of a circle is 22 cm, then what must be its area (in cm²)?

A) 77	B) 38.5
C) 31.5	D) 63

Answer & Explanation Answer: B) 38.5

Explanation:

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Filed Under: Area
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3 93893

Q:

If $3 x^{2} + kx + k = 0$ has no solution, then the value of k will satisfy

A) k > -12	B) k > 12
C) k < 12	D) 0 < k < 12

Answer & Explanation Answer: D) 0 < k < 12

Explanation:

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Filed Under: Simplification
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0 93464

Q:

Find the odd one out of the following number series?

9 5 6 14 56 488

A) 56	B) 6
C) 14	D) 5

Answer & Explanation Answer: A) 56

Explanation:

The given number series follows a pattern that,

9

9 x 0.5 + 0.5 = 5

5 x 1 + 1 = 6

6 x 2 + 2 = 14

14 x 4 + 4 = 60 (not equals to 56)

60 x 8 + 8 = 488.

Hence, the odd one in the given number series is 56.

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4 93464

Q:

Read the data given below and answer the questions based on it.

In the CBSE Board exams last year, 53% passed in Biology, 61% percent passed in English, 60% in Social studies, 24% in Biology and English, 35% in English and social studies, 27% in Biology and social studies and 5% in none.

What is the percentage of students who passed in all subjects?

A) 8	B) 12
C) 7	D) 10

Answer & Explanation Answer: C) 7

Explanation:

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Filed Under: Percentage
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5 93311

Q:

What was the day of the week on 28th May, 2006?

A) Sunday	B) Friday
C) Wednesday	D) Tuesday

Answer & Explanation Answer: A) Sunday

Explanation:

28 May, 2006 = (2005 years + Period from 1.1.2006 to 28.5.2006)

Odd days in 1600 years = 0

Odd days in 400 years = 0

5 years = (4 ordinary years + 1 leap year) = (4 x 1 + 1 x 2) = 6 odd days

(31[jan] + 28 [Feb]+ 31[Mar] + 30[April] + 28[May] ) = 148 dayss = (21 weeks + 1 day) = 1 odd day.

Total number of odd days = (0 + 0 + 6 + 1) = 7 = 0 odd days.

Given day is Sunday

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Filed Under: Calendar

539 92837

Q:

Find the Odd One Out?

3, 4, 14, 48, 576, 27648

A) 4	B) 14
C) 48	D) 27648

Answer & Explanation Answer: B) 14

Explanation:

Given Number series is :

3 4 14 48 576 27648

It follows a pattern that,

3

4

4 x 3 = 12 but not 14

12 x 4 = 48

48 x 12 = 576

576 x 48 = 27648

Hence, the odd one in the given Number Series is 14.

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5 92562

Q:

Find the dividend if the divisor is (x+2), quotient is (4x-5) and the remainder is 12.

A) 4x2+5x+2	B) 4x2+3x+2
C) 4x2-3x+2	D) 4x2+3x-2

Quantitative Aptitude - Arithmetic Ability Questions

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