6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

Suresh starts working as a analyst on an annual salary of Rs. 160000. If he receives a 15% pay-rise each year, the number of years he has worked for the company, when his annual salary became Rs. 279841 is

A) 3.5 yrs	B) 4 yrs
C) 4.5 yrs	D) 5 yrs

Answer & Explanation Answer: B) 4 yrs

Explanation:

From the given data in the question,

$279841 = 160000 x {(1 + \frac{15}{100})}^{t} \frac{279841}{160000} = {(\frac{115}{100})}^{t}$

t = 4 years.

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

6 3429

Q:

Calculate the effective interest rate compounded quarterly of a 13% annual rate.

A) 13.65%	B) 14.665%
C) 15.65%	D) 16.65%

Answer & Explanation Answer: A) 13.65%

Explanation:

E=(1+i/n)^n-1

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

0 3424

Q:

Calculate the effective interest rate of a 10% annual rate compounded continuously.

A) 9.52%	B) 10.52%
C) 11.52%	D) 12.52%

Answer & Explanation Answer: B) 10.52%

Explanation:

E=e^i-1

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

0 3424

Q:

A container contains 165 litres of milk. Some quantity of milk is taken out and half of that quantity of milk, water is added in the container. Now ratio of milk to water in the container becomes 5:3. What is the quantity of water added in it?

A) 40 litre	B) 45 litre
C) 60 litre	D) 30 litre

Answer & Explanation Answer: B) 45 litre

Explanation:

Let amount of milk removed = 2x litre
So, amount of water added = x litre
Now → (165 − 2x)/x = 5/3
x = 45 lit

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

8 3422

Q:

A loan is made for $3500 with an interest rate of 9% and payments made annually for 4 years. What is the payment amount?

A) 8906	B) 1089
C) 1070	D) 1080.34

Answer & Explanation Answer: D) 1080.34

Explanation:

A=R[(1+i)^n-1]/i(1+i)^n

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

1 3417

Q:

Calculate the future value of $3,000 invested at 7% for 5 years

A) 4207.66	B) 5207
C) 4376	D) 5687

Answer & Explanation Answer: A) 4207.66

Explanation:

F=P(1+i)^n

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

2 3413

Q:

The ratio of present ages of Simi and Seema is 5 : 4. After 9 years the ratio of their ages will be 8 : 7. What is Simi's present age (in years)?

A) 12	B) 15
C) 24	D) 21

Answer & Explanation Answer: B) 15

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

2 3413

Q:

A,B and C together can finish a task in 7.5 days. C is thrice as productive as A and B alone can do the task in 15 days. In how many days can A and C do the job if B goes on leave?

A) 30	B) 10
C) 20	D) 15

Quantitative Aptitude - Arithmetic Ability Questions

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