Question

at what rate of simple interest will be a sum of money double itself in 12 whole 1 upon 2 years

Answer 1

Hey there,
Here is your answer ⤵⤵⤵

Let the principal be Rs.x
Time=25/2 years.
Amount=2*x=2x
Interest=A-P=2x-x=x
Using SI=P*R*T/100,we get
R=100*SI/(P*T)
or,R=100*x/(x*25/2)
or,R=100*2*x/25x
or,R=8
Answer:It will double itself in 25/2 years(12 years 6 months) at 8% p.a.

Hope it helps
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