Question

Joy bought pens at 120 a dozen. He sold it for 15 each. What is his profit per
cent?​

Answer 1

Explanation :

\begin{gathered}Hi \: \: !!! \\ \\ Here \: \: is \: \: your \: \: answer, \\ \\ C.P \: \: of \: 12 \: \: pens = Rs. 120 \\ C.P \: \: of \: \: 1 \: \: pen \: = \frac{120}{12} = Rs.10 \\ \\ S.P \: \: of \: \: 1 \: pen \: = Rs.15 \\ S.P \: \: of \: \: 12 \: \: pens \: =Rs.180 \\ \\ So, \\ C.P < S.P = profit \\ \\ Profit = S.P - C.P \\ Profit = 180 - 120 = Rs.60 \\ \\ Profit\% = \frac{Profit}{C.P} \times 100 \\ \\ Profit\% = \frac{60}{120} \times 100 = 50\% \\ \\ \\ Hope \: \: it \: \: helps.\end{gathered}

Hi!!!

Hereisyouranswer,

C.Pof12pens=Rs.120

C.Pof1pen=

12

120

=Rs.10

S.Pof1pen=Rs.15

S.Pof12pens=Rs.180

So,

C.P<S.P=profit

Profit=S.P−C.P

Profit=180−120=Rs.60

Profit%=

C.P

Profit

×100

Profit%=

120

60

×100=50%

Hopeithelps.

Answer 2

boom answer

CP for Joy = ₹ 120/dozen

CP for Joy = ₹ 120/12 = ₹ 10/pen

SP for Joy = ₹ 15/pen

Hence,

Profit = SP - CP

P = ₹ 15 - ₹ 10

P = ₹ 5

Now,

Profit percent = (P/CP)*100

P% = (5/10)*100

P% = 100/2

P% = 50 %

Therefore,

Profit percent of Joy = 50 %

brainliest? No? Yes? Plz?