Question

5. The simple interest on a certain amount of money at a certain rate of interest
for 4 years is 160. Find the simple interest on double the amount of money
at the same rate for 2 years.​

Answer 1

Answer: si is 160 rs

Step-by-step explanation:

Let, amount and interest rate is x and r respectively

Then, x×(r/100)×4 = 160

, xr = 4000

Now, 2x×(r/100)×2 = 2× 4000 ×(1/100) ×2 = 160 rs