Question

At what rate of simple interest,
principal amount becomes three times
in 20-years?
​

Answer 1

I didn't understand the question

Answer 2

Answer:

R = 15%

Step-by-step explanation:

Let , principal be ₹x.

Therefore, after 20 years , SI = ₹3x.

Therefore , R = SI × 100

P × T

Therefore, R = 3x × 100

20 × x

Therefore, R = 15%