Question

A sum of money,at compound interest amounts to RS.8100 in 5 years and RS.8748 in 6 years.find the rate percent and amount in 7 years.

Answer 1

Answer:

4% every year

Step-by-step explanation:

1st do it as ,8100-8748

then divide answer by 2,(years)

then know the % of that answer

Answer 2

$\huge\orange{\overbrace{\red{\underbrace{\color{pink}{{\red\:{Question}}}}}}}$

A sum of money,at compound interest amounts to RS.8100 in 5 years and RS.8748 in 6 years.

i) Find the rate percent and

ii) Amount in 7 years.

$\huge\orange{\overbrace{\red{\underbrace{\color{pink}{{\red\:{Solution}}}}}}}$

$\underline\blue{✧Given:-}$

Amount in 5 years = ₨ 8,100 and

Amount in 6 years = ₨ 8,748

➢ ₨ 8,745 – ₨ 8,100

➢ ₨ 648

❋ Rs 648 is the interest of 1 year on ₨ 8,100

$\orange{✯i)\:Find\:the\:rate\:percent?}$

$➢ Rate ➫ \frac{640 \times 100}{8100 \times 1} \% \\ \: \: ➫\: \: 8\%$

$\fbox{\LARGE{\underline{\underline{\green{\bf{➢Rate \:➬ \: 8 percent}}}}}}$

Now,

$\orange{✯ii) Find \:the \:amount \:in\: 7 \:years}$

$➢Amount \: ➫ \: Amount \: in \: 6 \: years \: + \: Int. \: on \: it \: for \: 1 \: year \\ ➫ \: 8748 + 8\% \: of \: 8748 \\ ➫ \: Rs\:9447.84$

$\fbox{\LARGE{\underline{\underline{\green{\bf{➢Amount \: in\:7\:years\:➬\:Rs\:9,447.84}}}}}}$

$\huge\red{Thank\:You.!}$