6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Select the odd character out of the following series.

A) λ	B) 5
C) α	D) π

Answer & Explanation Answer: B) 5

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

2 14749

Q:

Select the letter which does NOT belong to the group.

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

Answer & Explanation Answer: B) 1

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 14737

Q:

The cost of the paint is rs.36.50 per kg. if 1kg of paint covers 16sq.ft, how much will it cost to paint outside of a cube having 8 feet each side

A) Rs.962	B) Rs.672
C) Rs.546	D) Rs.876

Answer & Explanation Answer: D) Rs.876

Explanation:

surface area of a cube= 6 x (8 x 8) = 384 sq.ft

quantity of paint required=(384/16)=24kg

cost of painting= 36.5 x 24 = Rs.876

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams
Job Role: Bank PO

12 14736

Q:

What value should come in place of the question mark (?) in the following question?

$325 - 12^{2} + 75 = ?^{2} - 68$

A) 18	B) 324
C) 18	D) 3242

Answer & Explanation Answer: C) 18

Explanation:

$?^{2}$ = 325 – 144 + 75 + 68
= 468 – 144 = 324
(?) = 18,-18

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

0 14732

Q:

The length of a diagonal in cm of a rectangle of length 9 cm and width 5 cm is

A) 106	B) ±106
C) 2√14	D) ±214

Answer & Explanation Answer: A) 106

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

1 14715

Q:

8 couples (husband and wife) attend a dance show "Nach Baliye' in a popular TV channel ; A lucky draw in which 4 persons picked up for a prize is held, then the probability that there is atleast one couple will be selected is :

A) 8/39	B) 15/39
C) 12/13	D) None of these

Answer & Explanation Answer: B) 15/39

Explanation:

P( selecting atleast one couple) = 1 - P(selecting none of the couples for the prize)

= $1 - (\frac{16_{C_{1}} \times 14_{C_{1}} \times 12_{C_{1}} \times 10_{C_{1}}}{16_{C_{4}}}) = \frac{15}{39}$

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Filed Under: Probability
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

64 14711

Q:

Square units 13 by 9 of an office area is

A) 97	B) 117
C) 107	D) 127

Answer & Explanation Answer: B) 117

Explanation:

Square units 13 by 9 of an office means office of length 13 units and breadth 9 units.

Now its area is 13x 9 = 117 square units or units square.

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Filed Under: Area
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

24 14688

Q:

A brother and a sister appear for an interview against two vacant posts in an office. The probability of the brother’s selection is 1/5 and that of the sister’s selection is 1/3. What is the probability that only one of them is selected?

A) 1/5	B) 3/4
C) 2/5	D) 3/5

Answer & Explanation Answer: C) 2/5

Explanation:

Probability that only one of them is selected = (prob. that brother is selected) × (prob. that sister is not selected) + (Prob. that brother is not selected) × (Prob. that sister is selected)

= $(\frac{1}{5} * \frac{2}{3}) + (\frac{4}{5} * \frac{1}{3})$ = $\frac{2}{5}$

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Filed Under: Probability

14 14687

Quantitative Aptitude - Arithmetic Ability Questions

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