If P=Rs. 5550 and R=12% per annum simple interest. In what time will it amount to Rs. 6882 ?

If P = Rs. 2500, R=20% per annum, then in what time will it amount to Rs. 3600 at compound interest ?

A borrows ₹ 8000 at 12% per annum simple interest and B borrows ₹ 9100 at 10% per annum simple interest. In how many years will their amounts be equal?

A borrows Rs. 800 at the rate of 12% per annum simple interest and B borrows Rs. 910 at the rate of 10% per annum, simple interest. In how many years will their amounts of debt be equal ?

Rs 14000 is invested at 4 % per annum simple interest . How long will it take for the amount to reach rs 16240 ?

How long will it take for a sum of Rs. 12600 invested at 9% per annum simple interest to amount to Rs. 16002?