Question

A sum triples itself at simple interest in 10 years,when the rate of interest is​

Answer 1

Answer:

20%

Step-by-step explanation:

Let the Principal be P and Rate be R.

Amount = 3P

Simple Interest = 3P - P = 2P

Time = 10 years

SI = PRT/100

=> 2P = P × R × 10/100

=> R = 20%