Question

at 25 percent per annum interest in how many years the simple interest on a sum of money treble itself?​

Answer 1

Answer:

suppose

principle is 100 rs.

R=25%

T= 1 year

S.I= PRT /100

100×25×1 /100

S.I = 25 Rs.

1 year S.I is 25

then , X year S.I is 100

100×1/25

= 4 years