Question

At what rate of intrest will RS 6500 get doubled in period of 10 years?
Write steps.

Answer 1

Answer:

Step-by-step explanation:

Principle ( P ) = Rs 6500

Time ( t ) = 10 years

Interest ( I ) = Rs 6500 [ Amount get doubled ]

Let ,

Rate per annum = r %

therefore ,

I = Ptr / 100

6500 = 6500 × 10r / 100

r = 100 / 10

∴ r = 10 %

∴ Rate per annum is 10%