Question

in how many years will rupees 150 double itself at 4percent interest
​

Answer 1

Step-by-step explanation:

I = PNR / 100

So,

150 = 150 × N × 4 / 100

150 = 600 N / 100

150 = 6N

So,

N = 25

Therefore ,

25 years

Take care

Answer 2

ANSWER

According to the question

Amount =150×2=Rs.300

r=4% and P=Rs.150

Simple interest =A−P

=300−150

=Rs.150

Simple interest =

100

PRT

150=

100

150×T×4

T=

150×4

150×100

T=25 years