MATHS [2 Mark Question Answer]

At what rate per cent per annum simple interest will a sum treble itself in 16 years?

The simple interest on a certain sum for 3 years at 10% per annum is ₹ 829.50. Find the sum.

At what rate per cent per annum simple interest will ₹ 66000 amount to ₹ 72720 in 2 years?

In what time will ₹ 3600 amount to ₹ 4320 at 4% per annum simple interest?

In what time will ₹ 7500 amount to 8625, if simple interest is reckoned at 7-% per annum?

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

A sum of money put at 11% per annum simple interest amounts to ₹ 10370 in 2 years. What will it amount to in 3 years at the same rate?

A sum when reckoned at 6% per annum simple interest amounts to ₹ 4130 in 3 years. Find the sum.