Answer:
Given that, Mohan bought a house at 2,50,000. He spent 50,000 for repairing it.
Cost Price of a house = 2, 50, 000 + 50, 000 = 3, 00, 000
Selling Price of a house = 3, 75, 000
\begin{gathered}\sf\implies \sf \: SellingPrice \: > \: Cost \: Price \\ \\ \end{gathered}
⟹SellingPrice>CostPrice
\begin{gathered}\sf\implies \sf \: Profit \: in \: this \: tranaction. \\ \\ \end{gathered}
⟹Profitinthistranaction.
Now,
\begin{gathered}\sf \: \sf \: Profit\% = \dfrac{Selling \: Price \: - \: Cost \: Price}{Cost \: Price} \times 100\% \\ \\ \end{gathered}
Profit%=
CostPrice
SellingPrice−CostPrice
×100%
\begin{gathered}\sf \: \sf \: Profit\% = \dfrac{375000 - 300000}{300000} \times 100\% \\ \\ \end{gathered}
300000
375000−300000
\begin{gathered}\sf \: \sf \: Profit\% = \dfrac{75000}{3000} \% \\ \\ \end{gathered}
3000
75000
%
\begin{gathered}\sf\implies \sf \: \bf \: Profit\% = 25 \: \% \\ \\ \\ \end{gathered}
⟹Profit%=25%
\large\underline{\sf{Solution-2}}
Solution−2
Given that,
Principal, P = Rs 4500
Rate of interest, r = 3 1/2 = 3.5 % per annum
Time period, n = 1 1/2 = 1.5 years
We know,
Simple interest (SI) received on a certain sum of money of P invested at the rate of r % per annum for n years is
\begin{gathered}\qquad\boxed{ \sf{ \:SI = \dfrac{P \times r \times n}{100} \: \: }} \\ \\ \end{gathered}
SI=
100
P×r×n
So, on substituting the values, we get
\begin{gathered}\sf \: SI = \dfrac{4500 \times 3.5 \times 1.5}{100} \\ \\ \end{gathered}
4500×3.5×1.5
\begin{gathered}\sf \: SI = 45 \times \dfrac{35}{10} \times \dfrac{15}{10} \\ \\ \end{gathered}
SI=45×
10
35
×
15
\begin{gathered}\sf \: SI = 9 \times \dfrac{35}{2} \times \dfrac{15}{10} \\ \\ \end{gathered}
SI=9×
2
\begin{gathered}\sf \: SI = 9 \times \dfrac{35}{2} \times \dfrac{3}{2} \\ \\ \end{gathered}
3
\begin{gathered}\sf \: SI = \dfrac{945}{4} \\ \\ \end{gathered}
4
945
\begin{gathered}\sf\implies \sf \: SI = 236.25 \\ \\ \end{gathered}
⟹SI=236.25
Thus,
\begin{gathered}\sf \: Amount = P + SI \\ \\ \end{gathered}
Amount=P+SI
\begin{gathered}\sf \: Amount = 4500 + 236.25 \\ \\ \end{gathered}
Amount=4500+236.25
\begin{gathered}\sf\implies \bf \: Amount = 4736.25 \\ \\ \end{gathered}
⟹Amount=4736.25
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Answers & Comments
Answer:
Given that, Mohan bought a house at 2,50,000. He spent 50,000 for repairing it.
Cost Price of a house = 2, 50, 000 + 50, 000 = 3, 00, 000
Selling Price of a house = 3, 75, 000
\begin{gathered}\sf\implies \sf \: SellingPrice \: > \: Cost \: Price \\ \\ \end{gathered}
⟹SellingPrice>CostPrice
\begin{gathered}\sf\implies \sf \: Profit \: in \: this \: tranaction. \\ \\ \end{gathered}
⟹Profitinthistranaction.
Now,
\begin{gathered}\sf \: \sf \: Profit\% = \dfrac{Selling \: Price \: - \: Cost \: Price}{Cost \: Price} \times 100\% \\ \\ \end{gathered}
Profit%=
CostPrice
SellingPrice−CostPrice
×100%
\begin{gathered}\sf \: \sf \: Profit\% = \dfrac{375000 - 300000}{300000} \times 100\% \\ \\ \end{gathered}
Profit%=
300000
375000−300000
×100%
\begin{gathered}\sf \: \sf \: Profit\% = \dfrac{75000}{3000} \% \\ \\ \end{gathered}
Profit%=
3000
75000
%
\begin{gathered}\sf\implies \sf \: \bf \: Profit\% = 25 \: \% \\ \\ \\ \end{gathered}
⟹Profit%=25%
\large\underline{\sf{Solution-2}}
Solution−2
Given that,
Principal, P = Rs 4500
Rate of interest, r = 3 1/2 = 3.5 % per annum
Time period, n = 1 1/2 = 1.5 years
We know,
Simple interest (SI) received on a certain sum of money of P invested at the rate of r % per annum for n years is
\begin{gathered}\qquad\boxed{ \sf{ \:SI = \dfrac{P \times r \times n}{100} \: \: }} \\ \\ \end{gathered}
SI=
100
P×r×n
So, on substituting the values, we get
\begin{gathered}\sf \: SI = \dfrac{4500 \times 3.5 \times 1.5}{100} \\ \\ \end{gathered}
SI=
100
4500×3.5×1.5
\begin{gathered}\sf \: SI = 45 \times \dfrac{35}{10} \times \dfrac{15}{10} \\ \\ \end{gathered}
SI=45×
10
35
×
10
15
\begin{gathered}\sf \: SI = 9 \times \dfrac{35}{2} \times \dfrac{15}{10} \\ \\ \end{gathered}
SI=9×
2
35
×
10
15
\begin{gathered}\sf \: SI = 9 \times \dfrac{35}{2} \times \dfrac{3}{2} \\ \\ \end{gathered}
SI=9×
2
35
×
2
3
\begin{gathered}\sf \: SI = \dfrac{945}{4} \\ \\ \end{gathered}
SI=
4
945
\begin{gathered}\sf\implies \sf \: SI = 236.25 \\ \\ \end{gathered}
⟹SI=236.25
Thus,
\begin{gathered}\sf \: Amount = P + SI \\ \\ \end{gathered}
Amount=P+SI
\begin{gathered}\sf \: Amount = 4500 + 236.25 \\ \\ \end{gathered}
Amount=4500+236.25
\begin{gathered}\sf\implies \bf \: Amount = 4736.25 \\ \\ \end{gathered}
⟹Amount=4736.25