Question

14. Floor tiles are 25 cm squares. How many tiles will be needed for a rectangular lawn 12 m long and 10 m wide. Find the total cost at the rate of 8 8 per tile.​

Answer 1

ANSWER:

Rs. 384000

Explaination: Length of lawn = 12 m

Breadth of lawn  10 m

Area of lawn = Length * Breadth

                   =12*10

                   =120 square m.

Area of floor tile = 25 square cm

1 cm square = 0.0001 m square

So, 25 square cm =0.0001 *25=0.0025 square m

Number of tiles required to cover the floor =

                                                                      =

Cost of 1 tile = Rs . 8

Cost of 48000 tiles = 48000*8= Rs.384000

Hence  the total cost at the rate of 8rs. Per tile is Rs. 384000