Question

by selling a dozen pencil at the cost of rs30, the shop kepper gains rs10. his percentage of profit was?​

Answer 1

Answer:

Step-by-step explanation:

One dozen = 12

Selling price of a dozen pencil = 30Rs

Profit gains =10Rs

Cost price = 20Rs

Percentage of the profit =10 / 20 × 100 = 50%

Hope you understand...

Answer 2

Step-by-step explanation:

C.P=30

profit=10

per=profit x 100 /c.p

per=1000/30