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. 900 per sq. metre. Choose the most appropriate option.
A) s . 19,800 B) s . 15,600 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 . ( 900 ã — 22 ) = rs . 19800 answer : option a"
Answer: A