Read the question and three statements carefully and decide which of the statement(s) is/are necessary to answer the question.

Q. How many articles were sold ?

(A) Total profit earned was ₹1375

(B) Cost price per article was ₹50

(C) Selling price per article was ₹65

Choose the correct answer from the options given below :

(A), (B) and (C)

Let number of articles = n

65n - 50n = 1375

15n = 1375

So, All the three equations are needed to answer the question

The correct answer is option (3) : (A), (B) and (C)