Aptitude:: Profit and Loss

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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.

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

A shopkeeper sells some articles at the profit of 25% on the original price. What is the exact amount of profit? To find the answer, which of the following information given in Statements I and II is/are necessary?

I. Sale price of the article

II. Number of articles sold

A. Only I is necessary
B. Only II is necessary
C Either I or II is necessary
D. Both I and II are necessary
E. None of these