UP POLICE MATHS QUIZ

The simple interest on a certain sum at 10% per annum for 4 years and 5 years differs by Rs.50 . The sum is –

If a sum becomes double in 16 years, how many times will it be in 8 years?

If the rate of Simple interest is 15 % per annum the amount that would fetch interest of 10500 per annum is:

Part of the amount of Rs 9000 is lent at the rate of $ 10 \%$ and the rest at the rate of $ 12 \%$ per annum. If the total rate of interest at the end of the year is $9.2\%$, then the amount  of the two parts is:

A sum of ₹ 6,400 amounts to ₹ 8,848 in $4 \frac{1}{2}$ years at a certain rate per annum at simple interest. What will be the amount (in ₹) of a sum of ₹ 9,000 in $2 \frac{2}{5}$ years at the same rate at simple interest ?

A and $B$ borrowed Rs. 3000 and Rs 3200 respectively at the same rate of interest for $2 \frac{1}{2}$ year. If $B$ Paid RS 40 more interest than $A$, find the Rate of interest.

Abhay borrows Rs. 9800 from Ajay on simple interest at the rate of 11% per annum. What amount of money (in rupees) should Abhay pay to Ajay after 4 years to clear the debt?

Find the interest on Rs 500 for a period of 4 years at the rate of $8 \%$ per annum. Also, find the amount to be paid at the end of the period.

A person borrows a sum of ₹ $50,000$ for 3 years at $4 \%$ p.a. simple interest. He immediately lends it to another person at $6 \frac{1}{4} \%$ p.a. simple interest for 3 years. Find his gain in the first year.

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?