A lends $R s . 2500$ to $B$ and a certain sum to $C$ at the same time at $7 %$ per annum simple interest. If, after $4$ years, A altogether receives $R s . 1120$ as interest from $B$ and $C$ , find the sum lent to $C$ .

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Solution

Let sum lend to C be $x$

$(S I)_{B} + (S I)_{C} = 1120$

$\Rightarrow (\frac{2500 \times 7 \times 4}{100}) + {\frac{x (7 \times 4)}{100}} = 1120$

$\Rightarrow 2500 + x = {\frac{1120 \times 100}{28}}$

$\Rightarrow 2500 + x = 4000$

$\Rightarrow x =$ Rs. $1500$ .

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A lends Rs.2500 to B and a certain sum to C at the same time at 7% per annum simple interest. If, after 4 years, A altogether receives Rs.1120 as interest from B and C, find the sum lent to C.

Let sum lend to C be x(SI)B+(SI)C=1120⇒(2500×7×4100)+{x(7×4)100}=1120⇒2500+x={1120×10028}⇒2500+x=4000⇒x= Rs. 1500.

A lends $R s . 2500$ to $B$ and a certain sum to $C$ at the same time at $7 %$ per annum simple interest. If, after $4$ years, A altogether receives $R s . 1120$ as interest from $B$ and $C$ , find the sum lent to $C$ .

Let sum lend to C be $x$

$(S I)_{B} + (S I)_{C} = 1120$

$\Rightarrow (\frac{2500 \times 7 \times 4}{100}) + {\frac{x (7 \times 4)}{100}} = 1120$

$\Rightarrow 2500 + x = {\frac{1120 \times 100}{28}}$

$\Rightarrow 2500 + x = 4000$

$\Rightarrow x =$ Rs. $1500$ .