Question

Calculate the interest on Rs 800 for the period 242 years at the rate of 5% per annum.
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Answer 1

Step-by-step explanation:

Principal = Rs 800

Time =2 years

Rate =5%

A=P(1+

100

R

)

T

A=800(1+

100

5

)

2

A=

100×100

800×105×105

A= Rs 882

C.I.=A−P

C.I.=882−80= Rs 82

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Answer 2

➤ Given :-

Principle(P) :- ₹800

Time(T) :- 242

Rate of Interest (R) :- 5%

➤ To Find :-

Intrest given at the end of 242 years.....

➤ Formula :-

$\large {\orange {\bf {\underline {\underline {P×R×T÷100}}}}}$

➤ Solution :-

$\longrightarrow \sf \: \frac{800 \times 242 \times 5}{100}$

$\longrightarrow \sf \: \frac{ \cancel{800} \times 242 \times 5}{ \cancel{100}} = \frac{8 \times 242 \times 5}{100}$

$\longrightarrow \sf \: \frac{9680}{1} = 9680$

Therefore,the intrest to be given after 242 years is ₹9680.