Question

in how many years a principal amount will be 3 times at 10% simple rate of interest​

Answer 1

Step-by-step explanation:

Let

P A

100 300

Si=300-100=200

Time200/10=20 years

Answer 2

Step-by-step explanation:

P=x, A=3x, R=10x , T=? a=p×r×t/ 100 3x= x × 10 × t /100 3x ×100=× × 10 × T 3x x100/ 10x = t = 300x/10=30 so time= 30