The length of a room is 10 m and width is 4.75 m. What is the cost of paying the floor by slabs at the rate of Rs. 900 per sq. metre.	Choose the most appropriate option:
A) 25650
B) 25750
C) 26550
D) 42750
E) 55725

Rationale: "area = 10 × 4.75 sq . metre . cost for 1 sq . metre . = rs . 900 hence total cost = 10 × 4.75 × 900 = 10 × 4275 = rs . 42750 answer is d ."
Answer: D