The lenght of a room is 5.5 m and width is 4 m. Find the cost of paving the floor by slabs at the rate of Rs. 700 per sq. metre. Choose one:
A) s . 15,550  B) s . 15,400  C) s . 16,500  D) s . 17,600  E) s . 17,900

Rationale: "area of the floor = ( 5.5 ã — 4 ) m 2 = 22 m 2 . cost of paving = rs . ( 800 ã — 22 ) = rs . 15400 answer : option b"
Answer: B