UP POLICE MATHS QUIZ

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Question 1:

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 2:

In what time will ₹ 8,000 become ₹ 9,261 at 5% per annum, compounded annually?

Question 3:

A sum of ₹ 12,500 amounts to ₹ 15,125 at 10% p.a. in a certain time, interest compounded annually. What will be the amount of the same sum at 15% p.a. for the same time, interest compounded 8-monthly? (Nearest to a ₹)

Question 4:

If a certain sum with compound interest becomes 1$\frac{1}{2}$ times in 4 years, then in how many years will the same sum become 2$\frac{1}{4}$ times at the same rate of interest?

Question 5:

A sum invested at compound interest amounts to ₹ 7800 in 3 years and ₹ 11232 in 5 years. What is the rate per cent?

Question 6:

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

Question 7:

A person deposited ₹ 8,000 in a term deposit for 1 and a half years, which gives half yearly compound interest at a rate of 10% per annum. The compound interest will be:

Question 8:

A certain sum of money doubles in 2 years at a certain rate of compound interest per annum. In how many years will it become 4 times at the same compound interest?

Question 9:

A sum of money, compounded annually, doubles itself in 5 years at compound interest. In how many years will it become four times?

Question 10:

What is the difference between the compound interest on ₹ 3,000 for 1 year at $5 \%$ per annum compounded yearly and that compounded half-yearly?