Question

in how many years will rs 900 amount to 1080 at 10%per annum

Answer 1

principal=$900
amount=$1080
simple interest=$1080-$900=$180
TIME =?
RATE=10%
SI=P×T×R/100
180=900×10×R/100
90R=180
R=180/90=2

time=2yrs

Answer 2

p = 900
a = 1080
r = 10%
s.i . = 1080 - 900
= 180
t = 180× 100\ 900×10
= 18000/ 9000
18/ 9
2
time = 2 years