Question

7.
Find the compound interest on
every four months.
80,000 at 15% p.a. for 1 vear, if the interest is compounded are​

Answer 1

Answer:

4000

Step-by-step explanation:

Principle = 80,000

Rate = 15 percent

Time = 1 year.

$amount = p(1 + \frac{r}{100}) {}^{t}$

now, putting on formula;

$a = 80000(1 + \frac{15}{100}) {}^{1}$

by solving that

$a = 80000 \times \frac{23}{20}$

by solving above equation

$amount = 92000$

$formula \: of \: ci = a - p$

so, CI= 92000 - 80000

we get, =12000.

according to question, in the question says that compound intrest is compounded every 4 months in a year.

$ci \: for \: four \: months = \frac{12000}{3}$

by solving above equation we get

● 4000

so, compound intrest is compounded every 4 months in a year is 4000.

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