Find the time in which Rs 1,200 will amount to Rs 1,536 at 3.5% per year.

Find the time when : Rs 6540 amounts to Rs 8447.50 at 12 1/2% per annum .

Find the rate percent per annum if Rs 2000 amount to Rs 2662 in 1.5 years, interest being compounded half-yearly?

In how much time (in years) will Rs. 10000 amount to Rs. 15000 at simple interst at the rate of 5% per annum ?

In what time will a sum of Rs 8000 amount to Rs 8360 at 6% per annum simple interest? 8 months (b) 9 months 1(1)/(4) months (d)1(1)/(2) years

Find the simple interest (in Rs ) on Rs 16,200/- at the rate of 8% per annum for 2 years.

Find the principal when : final amount is Rs 2420 at 4 % per annum for 2 1/2 years.

Find the simple interest on Rs. 1000 at 12% per amount for 5 years .

Find the interest and amount to be paid on Rs 15000 at 5% per annum after 2 years