Question

19. At what rate per cent per annum sum of
money becomes 4 times of itself in 15 yr?
(1) 8%
(2) 10%
(3) 15%
(4) 20%​

Answer 1

Answer:

20%

Step-by-step explanation:

sum of money becomes four times means

interest =3

principal=1

SI=PRT/100

3=1×R×15/100

On solving

R=20%