Is the average price of 10 items of which no two cost the same. If each of the cheapest 5 items loses 10% in price while each of the most expensive 5 items gains 10% in price, which of the following is possible about ? I. will decrease II. will not change III. will increase (A) III only (B) I and II only (C) I and III only (D) II and III only (E) I, II, and III
Smaller sum loses 10% and a larger sum gains 10%. Therefore gain > loss.
Should be III alone IMO. A IMO
