Question

7. How many rectangular tiles 10 cm by 7 cm will
be required to cover a floor 14 m by 25 m
and what will be the cost at ₹ 5 per hundred
m
tiles?​

Answer 1

Step-by-step explanation:

area of the floor is 1400×2500sqcm

area of the tiles is 10×7sqcm

so the number if tiles are

1400×2500/10×7

=20×2500

=50000

so the number of tiles required are 50000

cost of the tiles , ₹5×50000/100

=₹2500