Question

In how many years a sum will be double if it is lent out at 5% simple interest?
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Answer 1

Answer:

it will take twenty years

Step-by-step explanation:

add five percent stop when you get hundred percent

Answer 2

Step-by-step explanation:

let the principal money is = P

then simple interest will be = 2P ( according to qust.)

rate of interest = 10( percent)

we know that,

2P=P*R*T/100

2P= P*10*T/100

2P*100=P*10*T

2P*100/P*10=T

2*100/10=T

20=T

THEREFORE: time = 20years