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.	Options:
A) 25650
B) 25750
C) 26550
D) 42750
E) 55725
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 42750.
<result>D</result>
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.