Question

 A room is 320 cm long and 200 cm wide. The floor of the room is to be tiled with square marble tiles of side 10 cm. How many such tiles will be required?​

Answer 1

Answer:

Step-by-step explanation:

Length of room =20cm

Breadth of room =10cm

The HCF of 20cm and 10cm will be size of square tiles HCF of 20 and 10=10cm

Area of room = 20×10=200cm  

2

 

Area of 1 tile = 10×10=100cm  

2

 

Number of tiles =  

100

200

​  

=2