Question

in how many years will Rs. 900 amount to Rs. 1080 at 10% per annuum ?

Answer 1

principle = rs. 900
amount = rs. 1080
simple interest = 1080 - 900
= rs. 180
rate = 10%
time = ?
time = (simple interest *100)/(principle * rate)
= (180*100)/(900*10)
= 2 years.