A shopkeeper sells some toys at Rs. 250 each. What percent profit does he make? To find the answer, which of the following information given in Statements I and II is/are necessary?
I. Number of toys sold.
II. Cost price of each toy.	Options:
A) Only I is necessary  B) Only II is necessary  C) Both I and II are necessary  D) Either I or II ins necessary  E) None of these
EXPLANATION   S.P. = Rs. 250 each.   To find gain percent, we must know the C.P. of each.   answer is (Only II is necessary).
<result>B</result>
A shopkeeper sells some toys at Rs. 250 each. What percent profit does he make? To find the answer, which of the following information given in Statements I and II is/are necessary?
I. Number of toys sold.
II. Cost price of each toy.