DELHI POLICE QUANT(SIMPLE INTEREST) QUIZ

Question 1:

Monu receives simple interest 5/7 of the principal amount on an amount of Rs.28000 in 15 years from his friend. What is the rate of interest per annum?

$6 \frac{2}{3} \%$

$5 \frac{6}{7} \%$

$4 \frac{16}{21} \%$

$3 \frac{5}{21} \%$

Question 2:

In how much time a sum of Rs. 10,000 will become Rs.14,641 at the rate of $10 \%$ per annum interest, while the interest is compounded annually.

4 years

8 years

2 years

6 years

Question 3:

A sum of Rs 10,500 amounts to Rs 13,650 in 2 years at a certain rate per cent per annum simple interest. The same sum will amount to what in 1 year at the same rate, if the interest is compounded half yearly (nearest to Rs.1)?

Rs 12,886

Rs 12,314

Rs 12,124

Rs 13,886

Question 4:

At what rate of interest will a sum of Rs 4,500 amount to Rs 6,525 at simple interest for 5 years?

$8 \%$

$12 \%$

$10 \%$

$9 \%$

Question 5:

In how much time will the simple interest on a certain sum of money be $\frac{6 }{5}$ times of the sum at $20 \%$ per annum?

5 years

8 years

6 years

7 years

Question 6:

A sum of money becomes 4 times at simple interest in 10 years. What is the rate of interest?

$20 \%$

$25 \%$

$30 \%$

$33 \frac{1}{3} \%$

Question 7:

A person invests money in three diffrent schemes for 4 years, 10 years and 15 years at $15 \%, 9 \%$ and $12 \%$ simple interest respestively. At the completion of each scheme, he gets the same interest. Find the ratio of his investments?

$3: 4: 2$

$3: 4: 1$

$3: 2: 1$

$3: 1: 5$

Question 8:

A scheme invests Rs. 1000 at simple interest rate of $5 \%$ on the condition that interest will be added to the principal after 10 yr. In how many years will it amount to Rs.2000?

$16(2 / 3) \mathrm{yr}$

$16(1 / 4) \mathrm{yr}$

$16 \mathrm{yr}$

$11 \mathrm{yr}$

Question 9:

The rate of interest for the first 2 years is 6% p.a., for the next 3 years is 10% p.a. and for the period beyond 5 years is 12% p.a. If a person gets Rs.12,771 as simple interest after 7 years, then how much money did he invest?

17850.0

18350.0

19350.0

16780.0

Question 10:

What will be the simple interest on a sum of Rs 2000 at the rate of $8.25\%$ per annum from 7 february 2022 to 20 april 2022?

32

31

33

35