6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

A) 20m	B) 25m
C) 22.5m	D) 9m

Answer & Explanation Answer: A) 20m

Explanation:

Distance covered by B in 9 sec. = (100/45)*9m = 20m

A beats B by 20 metres.

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Filed Under: Races and Games

54 40469

Q:

4 men can repair a road in 7 hours. How many men are required to repair the road in 2 hours ?

A) 17 men	B) 14 men
C) 13 men	D) 16 men

Answer & Explanation Answer: B) 14 men

Explanation:

M x T / W = Constant
where, M= Men (no. of men)
T= Time taken
W= Work load
So, here we apply
M1 x T1/ W1 = M2 x T2 / W2
Given that, M1 = 4 men, T1 = 7 hours ; T2 = 2 hours, we have to find M2 =?
Note that here, W1 = W2 = 1 road, ie. equal work load.
Clearly, substituting in the above equation we get, M2 = 14 men.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

40 40455

Q:

Two horses start trotting towards each other, one from A to B and another from B to A. They cross each other after one hour and the first horse reaches B, 5/6 hour before the second horse reaches A. If the distance between A and B is 50 km. what is the speed of the slower horse?

A) 30 km/h	B) 15 km/h
C) 25 km/h	D) 20 km/h

Answer & Explanation Answer: D) 20 km/h

Explanation:

If the speed of the faster horse be $f_{s}$ and that of slower horse be $s_{s}$ then

$f_{s} + s_{s} = \frac{50}{1} = 50$

and $\frac{50}{s_{s}} - \frac{50}{f_{s}} = \frac{5}{6}$

Now, you can go through options.

The speed of slower horse is 20km/h

Since, 20+30=50

and $\frac{50}{20} - \frac{50}{30} = \frac{5}{6}$

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Filed Under: Time and Distance

159 40377

Q:

Consider the figure shown below and choose the correct option for the ratio of PA:PB.

A) r1 : r2 (internal)	B) r1 : r2 (external)
C) r2 : r1 (internal)	D) r2 : r1 (external)

Answer & Explanation Answer: B) r1 : r2 (external)

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

2 40366

Q:

Aizaz was born on 5th January 2015, while Faiz was born 553days later. On which date was Faiz born?

A) 11th July 2016	B) 10th July 2016
C) 9th July 2016	D) 12th July 2016

Answer & Explanation Answer: A) 11th July 2016

Explanation:

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Filed Under: Calendar
Exam Prep: Bank Exams

51 40355

Q:

In the following question, select the odd letter/letters from the given alternatives.

A) CGJ	B) IMQ
C) OSW	D) JNR

Answer & Explanation Answer: A) CGJ

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 40307

Q:

In the following question, select the related number from the given alternatives.

8 : 27 : : 64 : ?

A) 190	B) 144
C) 125	D) 72

Answer & Explanation Answer: C) 125

Explanation:

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Filed Under: Ratios and Proportions

0 40276

Q:

By selling 33 m clothes, a person gains cost price of 11 m clothes. Find the gain %.

A) 30%	B) 33.33%
C) 25%	D) 35%

Quantitative Aptitude - Arithmetic Ability Questions

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