Question

a certain sum of money amounts to rs 8000 in 4 years at 10 percentage find the principal​

Answer 1

Answer:

It is given that

Principal (P) = 8000

Rate of interest (r)= 10% p.a.

Period (n) = 4 years

We know that

Amount = P(1+r/100)

n

Substituting the values

=8000(1+10/100)

4

By further calculation

= 8000×11/10×11/10×11/10×11/10

= 11712.80

Here

CI = A - P

Substituting the values

= 11712.80−8000

= 3712.80

Answer 2

Answer:

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Step-by-step explanation:

It is given that

Principal (P) = 8000

Rate of interest (r)= 10% p.a.

Period (n) = 4 years

We know that

Amount = P(1+r/100)

n

Substituting the values

=8000(1+10/100)

4

By further calculation

= 8000×11/10×11/10×11/10×11/10

= 11712.80

Here

CI = A - P

Substituting the values

= 11712.80−8000

= 3712.80