Question

how much time would the simple interest on a certain sum be 0.125 times the principal
10% per annum​

Answer 1

#BAL

Let the principal/sum be x.

Given SI = 0.125 = 1/8 x, R = 10%. 

We know that Time = (100 * SI)/(P*R)

                                = 100 * x/x * 8 * 10

                                = 5/4 (or) 1 1/4 years.

Answer 2

Answer:

Let Sum =x

Then,

S.I=0.125x=

8

1

x

R=10%

∴Time=

x×8×10

100×x

=

4

5

=1

4

1

years

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