6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

The average marks of 18 students in an examination was 60. It was later found that the marks of one student had been wrongly entered as 63 instead of 36. The correct average is:

A) 59	B) 59.5
C) 58	D) 58.5

Answer & Explanation Answer: D) 58.5

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

0 1953

Q:

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

A) Error : Accurate	B) Careless : Casual
C) Strength : Lethargy	D) Gloomy : Cheerful

Answer & Explanation Answer: B) Careless : Casual

Explanation:

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

0 1952

Q:

LCM of two co-prime numbers a and b is (a is greater than b):

A) a	B) a+b
C) ab	D) b

Answer & Explanation Answer: C) ab

Explanation:

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Filed Under: HCF and LCM
Exam Prep: AIEEE , Bank Exams , CAT

9 1950

Q:

If $x^{4} + (1 / x^{4}) = 34$ , then what is the value of $x^{3} - (1 / x^{3})$ ?

A) 0	B) 6
C) 8	D) 14

Answer & Explanation Answer: D) 14

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1950

Q:

The hypotenuse of a right-angled triangle 10 cm and its area is 24 cm^2. If the shorts side is halved and the longer side is double, the new hypotenuse becomes

A) √245 cm	B) √255 cm
C) √265 cm	D) √275 cm

Answer & Explanation Answer: C) √265 cm

Explanation:

Hypotenuse = 10cm

Let the other 2 perpendicular sides be a and b

Area ½ a*b = 24

So a*b = 48 cm^2

Also using Pythagoras

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Filed Under: Area
Exam Prep: Bank Exams

5 1949

Q:

The largest 4 digit number exactly divisible by 88 is

A) 8888	B) 9999
C) 9944	D) 9988

Answer & Explanation Answer: C) 9944

Explanation:

To find the largest 4 digit number exactly divisible by 88,

We should divide the largest possible 4 digit number by 88, and if we get any remainder than subtract it from that largest number.

The largest possible 4 digit number is 9999

Now,

88) 9999 (113
88
_______
119
88
_______
319
264
_______
55
_______

Therefore, the largest 4 digit number exactly divisible by 88 is given by

9999 - 55 = 9944.

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

3 1949

Q:

A right circular cylinder has height 28 cm and radius of base 14 cm. Two hemispheres of radius 7 cm each are cut from each of the two bases of the cylinder. What is the total surface area (in cm2) of the remaining part?

A) 3842	B) 4312
C) 3296	D) 4436

Answer & Explanation Answer: B) 4312

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

3 1947

Q:

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

A) Rat	B) Cat
C) Fish	D) Cow

Quantitative Aptitude - Arithmetic Ability Questions

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