6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Give an investment of $13200,compound amount of $22680.06 invested for 8 years,what is the interest rate if interest rate is compounded anually?

A) 6%	B) 5%
C) 7%	D) 8%

Answer & Explanation Answer: C) 7%

Explanation:

M = p(1+i)^n

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

0 4134

Q:

The average marks of 50 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 83 instead of 38. The correct average is?

A) 63.9	B) 64.5
C) 64.7	D) 64.1

Answer & Explanation Answer: D) 64.1

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams

1 4133

Q:

$1 . 5^{2} x \sqrt{0.0225} = ?$

A) 0.0375	B) 0.3375
C) 3.275	D) 32.75

Answer & Explanation Answer: B) 0.3375

Explanation:

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Filed Under: Square Roots and Cube Roots

14 4133

Q:

If there is a total of 104 weekly instalments and a thirddeposit, find the interest charged

A) 237.55	B) 337
C) 443	D) 334

Answer & Explanation Answer: A) 237.55

Explanation:

Cash price = $3695

Deposit =1/3 of $3695 = $1231.67

Loan amount = $3695.00 − $1231.67 = $2463.33

Total cost of loan = $25.97 × 104= $2700.88

Interest charged = total amount − loan
I = A − P
= 2700.88 − 2463.33
= 237.55

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Filed Under: Simple Interest
Exam Prep: Bank Exams
Job Role: Bank PO

0 4130

Q:

If w : 0.80 :: 9 : 6, w = ?

A) 2.5	B) 1.1
C) 3.3	D) 1.2

Answer & Explanation Answer: D) 1.2

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

11 4127

Q:

In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:

A) 40 sec	B) 47 sec
C) 33 sec	D) None of these

Answer & Explanation Answer: C) 33 sec

Explanation:

B runs 35 m in 7 sec.

B covers 200 m in (7/35*200) = 40sec

B's time over the course = 40 sec.

A's time over the course (40 - 7) sec = 33 sec.

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Filed Under: Races and Games

2 4126

Q:

There is sufficient salary to give K for 10 days and L for 15 days. Then how many days will the money last if both has to be given the salary ?

A) 6 days	B) 12 days
C) 4 days	D) 9 days

Answer & Explanation Answer: A) 6 days

Explanation:

K's 1 day's salary = 1/10
L's 1 day's salary = 1/15
Together their 1 day's salary = 1/10 + 1/15
= 3/30 + 2/30
= 5/30
= 1/6
So the money will be enough for paying them both for 6 days.

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

3 4122

Q:

What is the number of decimal places in a cube root of a number having 27 decimal places ?

A) 3	B) 6
C) 9	D) 27

Quantitative Aptitude - Arithmetic Ability Questions

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