The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of $800 per sq. metre. Choose the correct option
A) $ 12500
B) $ 13500
C) $ 16500
D) $ 14500
E) $ 18500

Rationale: "c $ 16500 area = 5.5 × 3.75 sq . metre . cost for 1 sq . metre . = $ 800 hence , total cost = 5.5 × 3.75 × 800 = 5.5 × 3000 = $ 16500"
Answer: C