Question

in what time the compound amount of rupees 60000 at 10% rate is rupees 79860​

Answer 1

amount is 60000 and p79860 so 60000+79860

Answer 2

Step-by-step explanation:

It is given that

Principal (P) = 60000

Amount (A) = 79860

Period (n) = 1 1/2 years = 3 half-years

We know that

A/P =(1+r/100)

n

Substituting the values

79860/60000=(1+r/100)

3

BY further calculation

(1+r/100)

3

=1331/1000=(11/10)

3

We get

1+r/100=11/10

r/100=11/10−1=1/10

By cross multiplication

r=1/10×100=10% half-yearly

r=10×2=20% p.a.

Therefore, the rate of interest per annum compounded half-yearly is 20%

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