6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Pick the odd man out of the folowing number sequence?

123 112 133 112 143

A) 143	B) 122
C) 133	D) 112

Answer & Explanation Answer: B) 122

Explanation:

Here the given series is 123 112 133 112 143

It follows a pattern that,

123

123 - 11 = 112

112 + 21 = 133

133 - 31 = 102 (not 122)

102 + 41 = 143

Hence, the odd man in the given number sequence is 122 instead of 102.

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4 44053

Q:

There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate

A) Rs.4972	B) Rs.3972
C) Rs.5972	D) Rs.2972

Answer & Explanation Answer: B) Rs.3972

Explanation:

Let P = Rs. 100. Then, S.I. Rs. 60 and T = 6 years.

R= $\frac{100 * 60}{100 * 6}$ =10% p.a

Now, P = Rs. 12000. T = 3 years and R = 10% p.a.

C.I= $R s . [12000 * {[1 + \frac{10}{100}]}^{3} - 1]$
=Rs.3972

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

52 44053

Q:

Find the odd man out?

12, 48, 168, 502, 1260

A) 48	B) 168
C) 502	D) 1260

Answer & Explanation Answer: C) 502

Explanation:

The given series is 12, 48, 168, 502, 1260

12

12 x 4 = 48

48 x 3.5 = 168

168 x 3 = 504

504 x 2.5 = 1260

Hence, the odd man out in the given series is 502.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT
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4 43973

Q:

Find the value of $\{{(216)}^{\frac{2}{3}} + {(36)}^{\frac{- 1}{2}}\}$

A) 216/6	B) 218/6
C) 215/6	D) 217/6

Answer & Explanation Answer: D) 217/6

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 43964

Q:

Which value is closest to [5.168 x 4453 x 3.194 / 67.999 x 4224.017]

A) 0.2	B) 0.002
C) 2	D) 0.02

Answer & Explanation Answer: A) 0.2

Explanation:

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0 43958

Q:

ΔXYZ is right angled at Y. If m∠Z = 30°, then find the value of (sinX - 3/√2).

A) (√6-6)/2√2	B) (√2-√3)/√6
C) -1/2	D) (1-2√3)/2

Answer & Explanation Answer: A) (√6-6)/2√2

Explanation:

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Exam Prep: Bank Exams

0 43951

Q:

Which of the following statement(s) is/are TRUE?

I. √5 + √5 > √7 + √3
II. √6 + √7 > √8 + √5
III. √3 + √9 > √6 + √6

A) Only I	B) Only I and II
C) Only II and III	D) Only I and III

Answer & Explanation Answer: B) Only I and II

Explanation:

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Exam Prep: Bank Exams

0 43948

Q:

Solve the following

24 / (20 - 12 / 3 x 8) = ?

A) -2	B) -3
C) 6	D) 3

Quantitative Aptitude - Arithmetic Ability Questions

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