" 20.In what time will ₹ "5600" amount to "₹6720" at "8%" per annum? "

In what time will ₹ 6000 amount to ₹6360 at 8% per annum simple interest?

In what time will ₹3600 amount to ₹4320 at 8% per annum simple interest?

In what time Rs. 4250 amounts to Rs. 5610 at the rate 8% per annum?

In how many years will Rs 6250 amount to Rs 7290 at 8% per annum, compounded annually?

In what time will Rs 4400 become Rs 4576 at 8% per annum interest compounded half-yearly?

In what time will Rs 4400 become Rs 4576 at 8% per annum interest compounded half-yearly?

A sum of money put at 9% per annum simple interest amounts to Rs. 10160 in 3 years. What will it amount to in 2 years at 8% per annum?

What sum will amount to Rs 6760 at 8% per annum in I year when the interest is compounded half yearly?