Question

a room is 9.68m long and 6.2m wide it's floor is to be covered with rectangular tiles of size 22cm by 10cm find the total cost of the tiles at the rate of rs 2.50 per tile

Answer 1

Floor in rectangular figure
area
=length × breadth
= 9.68 m × 6.2 m
= 60.016 square meter

area of one tile
=l × b
= 22cm × 10cm
=220 square centimeter
= 220/100 meter
=2.2m

total tiles require
=60.016/2.2
=27.28

TOTAL cost
=27.28×2.50
=68.2 rupees