DELHI POLICE MATHS QUIZ

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Question 1:

If the simple interest on a sum of money for 3 years at the rate of $10\%$ per annum is ₹ 1500, then what will be the compound interest on the same amount for the same amount of time at the same rate?

Question 2:

A sum of money doubles in 4 years at compound interest. That amount will become 8 times of itself at the same rate of interest in the following time

Question 3:

A sum of Rs.1200 becomes ₹1632 in 4 years at the rate of simple interest. If the rate of interest is 1% more, how much will this sum become?

Question 4:

A sum of money kept at simple interest amounts to ₹ 820 in 3 years and to ₹ 894 in 4 years. What will be the interest accumulated after 9 years?

Question 5:

If a certain sum of money on simple interest amounts to ₹ 1,980 and ₹ 2,070 in 2 years and 3 years, respectively, then what is the sum (in ₹)?

Question 6:

If the sum of the simple interest on ₹ 16,400 for 3 years at the rate of interest R and that on ₹ 18,000 for 4 years at the same rate R is ₹ 10,302, then the value of R will be:

Question 7:

If the simple interest charged for 9 months is 0.12 times the money borrowed, what is the rate percent per year?

Question 8:

A sum of money lent at simple interest amounts to ₹ 7,920 in 2 years and to ₹ 11,220 after 5 more years. What is the rate of interest per annum?

Question 9:

The simple interest on a certain sum of money at the rate of 7.5% p.a. for 8 years is ₹ 4,080. At what rate of interest can the same amount of interest be received on the same sum for 5 years?

Question 10:

A sum was put at simple interest at a certain rate for 2 years. If it had been put at 4% higher rate, it would have fetched ₹ 480 more. Find the sum.

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