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Question 1:

A sum of Rs.4.096 become Rs.4.913 in 3 years, when interest is compounded per annum. Find out the rate of C.I.

Question 2:

A sum is lent out for 2 years. The rate of interest is $4 \%$ for first year and $7 \%$ for the second year. If difference of the compound and simple interest is Rs.84. Find out the sum?

Question 3:

A sum becomes Rs. 1,352 in 2 years at $4 \%$ per annum compound interest. The sum is

Question 4:

If the compound interest on a sum for 2 years at $12 \frac{1}{2} \%$ per annum is Rs. 510, the simple interest on the same sum at the same rate for the same period of time is :

Question 5:

The difference between compound interest (compounded annually) and simple interest on a certain sum of money at $10 \%$ per annum for 2 years is Rs. $40 .$ The sum is ;

Question 6:

If a sum of amount becomes 3 time in 8 years at compound interest, it will become 9 times in how many years?

Question 7:

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.

Question 8:

The difference between the compound interest (compounded annually) and the simple interest on a certain sum of money at $12 \%$ per annum for 2 years is 72. What is the principal amount?

Question 9:

After two equal successive raises, a sum of Rs.10,000 becomes Rs.11025 . Find the each percentage rise in the salary?

Question 10:

What would be the compound interest obtained on an amount of Rs. 4000 at the rate of $5 \%$ per annum after 3 years?