A shopkeeper buys two articles for Rs.1000 each and then sells them, making 10% profit on the first article and 10% loss on second article. Find the net profit or loss percent? Choose the correct choice from the following:  A) 200  B) 278  C) 100  D) 202  E) 270

Rationale: profit on first article = 10 % of 1000 = 100 . this is equal to the loss he makes on the second article . that , is he makes neither profit nor loss . answer : c
Answer: C