Question

plz give the ans with full explanation​

Answer 1

Answer:

39600 tiles

Step-by-step explanation:

220×180 =39600cm

39600 tiles he will need

Answer 2

Answer:

Let breadth(b)=x m

l=2.5 m, h=10 m

V=l×b×h=(2.5×x×10)m3

=25x m3

Capacity of a tank =25x m3=50000 litres

⇒25x m3=50 m3

⇒x=2

Hence, b=2 m.