6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

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

A) BFJN	B) GKOS
C) LPQV	D) MQU

Answer & Explanation Answer: C) LPQV

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 45753

Q:

Product of two co-prime numbers is 117. Their L.C.M should be

A) 1	B) 117
C) Equal to their H.C.F	D) cannot be calculated

Answer & Explanation Answer: B) 117

Explanation:

H.C.F of co-prime numbers is 1. So, L.C.M = 117/1 =117

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Filed Under: HCF and LCM

122 45710

Q:

12 people at a party shake hands once with everyone else in the room.How many handshakes took place?

A) 72	B) 66
C) 76	D) 64

Answer & Explanation Answer: B) 66

Explanation:

There are 12 people, so this is our n value.

So, $12 C_{2}$ 1= 66

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Filed Under: Permutations and Combinations

90 45643

Q:

Find the surface area (in sq.cm) of a sphere of diameter 14 cm.

A) 616	B) 4699
C) 8628	D) 6922

Answer & Explanation Answer: A) 616

Explanation:

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

3 45640

Q:

If the letters of the word SACHIN are arranged in all possible ways and these words are written out as in dictionary, then the word ‘SACHIN’ appears at serial number :

A) 601	B) 600
C) 603	D) 602

Answer & Explanation Answer: A) 601

Explanation:

If the word started with the letter A then the remaining 5 positions can be filled in 5! Ways.

If it started with c then the remaining 5 positions can be filled in 5! Ways.Similarly if it started with H,I,N the remaining 5 positions can be filled in 5! Ways.

If it started with S then the remaining position can be filled with A,C,H,I,N in alphabetical order as on dictionary.

The required word SACHIN can be obtained after the 5X5!=600 Ways i.e. SACHIN is the 601th letter.

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Filed Under: Permutations and Combinations

84 45581

Q:

A man reaches his office 20 min late, if he walks from his home at 3 km per hour and reaches 30 min early if he walks 4 km per hour. How far is his office from his house ?

A) 20 km	B) 16 km
C) 14 km	D) 10 km

Answer & Explanation Answer: D) 10 km

Explanation:

Let distance = x km.
Time taken at 3 kmph : dist/speed = x/3 = 20 min late.
time taken at 4 kmph : x/4 = 30 min earlier
difference between time taken : 30-(-20) = 50 mins = 50/60 hours.
x/3- x/4 = 50/60
x/12 = 5/6
x = 10 km.

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

57 45412

Q:

Which of the following represents the sides of an acute angled triangle?

A) 6, 9, 16	B) 7, 8, 10
C) 5, 12, 13	D) None of these

Answer & Explanation Answer: B) 7, 8, 10

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 45393

Q:

The area of an equilateral triangle is 16√3 sq.cm. Find its side in cm.

A) 8	B) 4
C) 16	D) 24

Quantitative Aptitude - Arithmetic Ability Questions

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