6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but,not together?

A) (5 + 5/11 )min past 7	B) (6 + 5/11) min past 7
C) 7	D) 8

Answer & Explanation Answer: A) (5 + 5/11 )min past 7

Explanation:

When the hands of the clock are in the same straight line but not together, they are 30 minute spaces apart.
At 7 o'clock, they are 25 min. spaces apart.
$\therefore$ Minute hand will have to gain only 5 min. spaces.
55 min. spaces are gained in 60 min.

5 min spaces are gained in $(\frac{60}{55} * 5)$ min = $5 \frac{5}{11}$ min

so, Required time = $5 \frac{5}{11}$ min past 7

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Filed Under: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO

90 57413

Q:

In the following question, select the odd word pair from the given alternatives.

A) Vehicle – Car	B) Scooter – Vehicle
C) Truck – Vehicle	D) Bus – Vehicle

Answer & Explanation Answer: A) Vehicle – Car

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

7 57349

Q:

${(4 x - 7)}^{2} = ?$

A) 4x2 - 56x + 49	B) 4x2 - 14x + 49
C) 16x2 + 14x + 49	D) 16x2 - 56x + 49

Answer & Explanation Answer: D) 16x2 - 56x + 49

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

2 57331

Q:

45 - [38 - {80 / 4 - (8 - 12 / 3) / 4}] = ?

A) 25	B) 27
C) 26	D) 28

Answer & Explanation Answer: C) 26

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

2 57321

Q:

If $x^{2} + kx + k = 0$ , has two distinct real solutions, then the value of k will satisfy

A) k<0 or k>4	B) k>4 only
C) 0<k<4	D) k<0 only

Answer & Explanation Answer: A) k<0 or k>4

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 57205

Q:

A fires 5 shots to B's 3 but A kills only once in 3 shots while B kills once in 2 shots. When B has missed 27 times, A has killed :

A) 30 birds	B) 60 birds
C) 72 birds	D) 90 birds

Answer & Explanation Answer: A) 30 birds

Explanation:

Let the no of shots be x. Then,

Shots fired by A =(5/8)x

Shots fired by B = (3/8)x

Killing shots by A = 1/3 of (5/8)x = (5/24)x

Shots missed by B = 1/2 of (3/8)x = (3/16)x

(3/16)x = 27 $\Rightarrow$ x =144

Birds killed by A = (5/24)x = (5/24)*144 = 30

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Filed Under: Simplification

122 57168

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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Filed Under: Simplification
Exam Prep: Bank Exams

0 57075

Q:

Given that $(a^{2} + b^{2}) = 60$ , then find the value of ${(a + b)}^{2} + {(a - b)}^{2}$ ?

A) 90	B) 120
C) 140	D) 150

Quantitative Aptitude - Arithmetic Ability Questions

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