DELHI POLICE MATHS QUIZ

Question 1:

The difference between the compound interest and the simple interest on a sum of Rs.20,000 for 2 years at the rate of 9% p.a., is___rupees:

180

162

172

169

Question 2:

What principal will amount to Rs. 2028 in 2 years at $4\%$ p.a compound interest?

Rs. 1820

Rs. 1050

Rs. 1850

Rs. 1875

Question 3:

The difference between compound interest and simple interest on an amount of Rs. 3500 for 2 years is Rs. 735. What is the rate of interest per annum? (In %)

10

20

21

5

Question 4:

What is the compound interest on a sum of Rs.12,000 for $2 \frac{5}{8}$ years at $8 \%$ p.a., when the interest is compounded annually?

(nearest to a rupee)

Rs.2,642

Rs.2,712

Rs. 2,654

Rs.2,697

Question 5:

If a certain amount is lent at compound interest for 3 years at 10% ,15% and 20% for first year, second year and third respectively. Find the compound interest for 3 years.

67⋅5

51.8

43.1

50.9

Question 6:

At what, rate per annum will RS. 32000 yield a compound interest of Rs.5044 in 9 months interest being compounded quarterly?

2%

5%

10.25

4.4%

Question 7:

What is the difference (in rupees) between simple interest and compound interest on a sum of rupees 3900 for 2 years at rate of $15 \%$ per annum?

$97.5$

$96.25$

$92.5$

$87.75$

Question 8:

The compound interest (in ₹) on ₹ 72,800 after 3 years at the rate of 10% per annum, compounded annually is:

24996.8

24600.8

24096.8

24069.8

Question 9:

If sum of ₹ 8,000 invested at 10 % per annum, interest compounded half-yearly, amounts to ₹ 9,261, then what is the time period?

3 years

$2 \frac{1}{2}$ years

2 years

$1 \frac{1}{2}$ years

Question 10:

The compound interest on a certain sum of money for 3 years at 10% p.a. is ₹ 1,324. Find the simple interest (in ₹) on the same sum, at the same rate and for the same time.

1,380

1,080

1,200

1,150