6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Hema takes a total of 9 hours 55 min to walk a certain distance and then cycling back to the same place from where she had started. She could walk both ways in 12 hours 30 min. The time she will take to cycle both ways is :

A) 7 hrs 20 min	B) 7 hrs 15 min
C) 7 hrs 35 min	D) 7 hrs 40 min

Answer & Explanation Answer: A) 7 hrs 20 min

Explanation:

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Filed Under: Time and Distance
Exam Prep: Bank Exams

4 2053

Q:

How many 100 digit positive number are there?

A) 9 × 1099	B) 9 × 10100
C) 10100	D) 11 × 1098

Answer & Explanation Answer: A) 9 × 1099

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

2 2052

Q:

3/8 as a decimal

A) 1.375	B) 2.375
C) 0.375	D) 3.75

Answer & Explanation Answer: C) 0.375

Explanation:

Expressing 3/8 as a decimal fraction:

We can convert 3/8 into a decimal fraction by just dividing 3 by 8 or making 3 into 8 parts.

Then, it is 3/8 = 0.375 as a decimal fraction.

Other Method::

3/8 as a Decimal :

In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple.

Now to make 8 into 1000, we multiply numerator and denominator with 125

=> ( $\frac{3 x 125}{8 x 125} = \frac{375}{1000} = 0.375$

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Filed Under: Decimal Fractions
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

3 2051

Q:

In a bucket, paint and oil are in the ratio 7 : 5. 24 litres of mixture is drawn off and 24 litres of oil is added. If the ratio of paint and oil becomes 1 : 1, then how many litres of paint was contained in the bucket initially?

A) 49	B) 63
C) 84	D) 98

Answer & Explanation Answer: D) 98

Explanation:

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

0 2050

Q:

How many times the keys of a typewriter have to be pressed in order to write numbers from 121 to 1346?

A) 3675	B) 4018
C) 4021	D) 4025

Answer & Explanation Answer: D) 4025

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2050

Q:

Choose the odd one out from among the given figures.

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

Answer & Explanation Answer: C) D

Explanation:

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Filed Under: Odd Man Out

1 2049

Q:

In the given figure, SX is tangent. SX = OX = OR. If QX = 3 cm and PQ = 9 cm, then what is the value (in cm) of OS?

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

Answer & Explanation Answer: D) 3

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

1 2049

Q:

If a certain sum of money become thrice of itself in 5 years 4 months at simple interest, then what will be the yearly rate of interest (in %)?

A) 18.75	B) 27.5
C) 37.5	D) 42.25

Quantitative Aptitude - Arithmetic Ability Questions

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