6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Select the option that does not belong in the following figure series.

A) A	B) B
C) C	D) D

Answer & Explanation Answer: A) A

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

1 40140

Q:

What is the least number consisting of five digits that is exactly divisible by 12, 18, 20 and 25?

A) 10800	B) 11250
C) 10000	D) 10680

Answer & Explanation Answer: A) 10800

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 40047

Q:

Find the odd word/letters/number pair from the given alternatives.

A) Novel	B) Paper
C) Pencil	D) Pen

Answer & Explanation Answer: A) Novel

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 39931

Q:

The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

A) 77	B) 88
C) 99	D) 110

Answer & Explanation Answer: A) 77

Explanation:

Product of numbers = 11 x 385 = 4235

Let the numbers be 11a and 11b . Then , 11a x 11b = 4235 => ab = 35

Now, co-primes with product 35 are (1,35) and (5,7)

So, the numbers are ( 11 x 1, 11 x 35) and (11 x 5, 11 x 7)

Since one number lies 75 and 125, the suitable pair is (55,77)

Hence , required number = 77

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Filed Under: HCF and LCM

72 39918

Q:

I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number?

A) 1/999	B) 1/1001
C) 1/1000	D) 4/1000

Answer & Explanation Answer: C) 1/1000

Explanation:

It is given that last three digits are randomly dialled. then each of the digit can be selected out of 10 digits in 10 ways.
Hence required probability = ${(\frac{1}{10})}^{3}$ = 1/1000

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Filed Under: Probability

28 39893

Q:

The $C O_{2}$ emissions in million metric tons over 3 years are given in the following table.

What is the increase in the percentage of $C O_{2}$ emission from year 2016 to 2017?

A) 36.36%	B) 26.36%
C) 63.63%	D) 36.45%

Answer & Explanation Answer: A) 36.36%

Explanation:

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT

1 39850

Q:

In the below series how many numbers are completely divisible by the number on right?

563248889266588343

A) 5	B) 4
C) 3	D) 6

Answer & Explanation Answer: A) 5

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

1 39792

Q:

Which of the following option is CORRECT for SAS similarly criterion for the triangle ABC and DEF?

A)	B)
C)	D) All options are correct

Quantitative Aptitude - Arithmetic Ability Questions

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