Question

please give me fast answer​

Answer 1

Answer:

100

Step-by-step explanation:

platform volume / volume of a brick  =

100 cmx100 cmx18cm / 20 cm x 9 cm x 10 cm   { 1 m = 100 cm}

=100 number of bricks

Answer 2

no. of bricks=?

=volume of platform /volume of 1 brick

=(100cm*100cm*18cm)/(20cm*9cm*10cm)

180000/1800

100 bricks will be required

hope it helps you!