Question

in what time will a sum of money double itself at 5% per annum?​

Answer 1

Answer:

Give the amount

Step-by-step explanation:

Answer 2

Answer: 20 years

Step-by-step explanation:

Principal = x

Amount = 2x

Rate of interest = 5%

Simple Interest = Amount - Principal

= 2x - x

= x

Time = SI × 100/P × R

= x × 100/x × 5

= 20 yrs