Question

Calculate the amount and the C.I. on ₹ 5000 at 10% p.a. for 3 years.​

Answer 1

Answer:

788.12

Step-by-step explanation:

It is given that  

Principal (P) = 5000

Rate of interest = 10%b p.a. or 5% half- yearly

Period (n) = $1\frac {1 }{ 2 }$ or 3 half- years

We know that,

$A= P(1+r/100)^n$

Substituting the values,

$=5000(1+5/100) ^3$

By further calculation,

= 5000×21/20×21/20×21/20

= 5788.12

Here  

CI= A - P

Substituting the values,

$=5788.12-5000\\= 788.12$

= 788.12 $\checkmark$

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