Question

A Person bought pencils at rupees 20per dozen and sold them at rupees 2per pencil. find the profit per cent​

Answer 1

Answer:

profit% = 20 %

Step-by-step explanation:

profit% = profit /cost price ×100%

= 4 /20×100%

= 20 %

Answer 2

Answer:

His Profit% is 20%

Step-by-step explanation:

Considering that a person bought pencil at Rs 20 per dozen.

That 12 pencil cost Rs20

Thus 1 pencil will cost \frac{20}{12}

12

20

Selling price of the 1 pencil is Rs 2.

We know Profit = Selling Price - Cost Price

\begin{gathered}\Rightarrow Profit=2-\frac{20}{12} \\\\\Rightarrow Profit = \frac{24-20}{12} \\\\\Rightarrow Profit = \frac{4}{12}=\frac{1}{3}\end{gathered}

⇒Profit=2−

12

20

⇒Profit=

12

24−20

⇒Profit=

12

4

=

3

1

We know That Profit\%=\frac{Profit}{Cost Price} \times 100Profit%=

CostPrice

Profit

×100

Substituting the known values

\begin{gathered}\Rightarrow Profit\%=\frac{\frac{1}{3} }{\frac{20}{12} } \times 100\\\\\Rightarrow Profit\%=\frac{1}{3}\times \frac{12}{20}\times 100\\ \\\Rightarrow Profit\% = 20\%\end{gathered}

⇒Profit%=

12

20

3

1

×100

⇒Profit%=

3

1

×

20

12

×100

⇒Profit%=20%

Learn More:

A man bought eggs at the rate of 9 for ₹36 and sold them at the rate ₹60 per dozen. how many eggs should he sell to earn a net profit of ₹50

Step-by-step explanation:

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