Question

In how many years will ₹150 double it self at 4% simple interest
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Answer 1

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

Answer 2

Step-by-step explanation:

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 =

$= \frac{PRT}{100} \\ 150 = 150 \times t \times 4 \\ 100 \\ T - \frac{150 \times 100}{150 \times 4} \\ T - 25 \: years$