Question

4. By selling a dozen pencil at the cost of
30, the shopkeeper gains * 10. His
percentage of profit was
(1) 20
(2) 35
(3) 50
(4) 66​

Answer 1

Step-by-step explanation:

We know that S.P. = C.P. + Gain

⇒ S.P. of 8 dozen = C.P. of 8 dozen + S.P. of 1 dozen

⇒ S.P. of 7 dozen = C.P. of 8 dozen

⇒ By selling 7 dozen, he gain 1 dozen

Therefore, gain % =71×100% =1472%

Answer 2

Answer:

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