Question

If 4 m 20 cm of cloth is needed for one frock,how much cloth will be needs for 5 such frock?

Answer 1

First condition;

1m=100cm.

therefore, 4m=400cm.

therefore; 4m20cm=400cm+20cm

=420cm.

According to an condition,

one fork=420cm.

therefore, five fork= ?

by cross multiplication,we get

five fork will need=

5 ×420 cloth we get answer

of following multiplication as 2100 cm

Therefore answer will either 2100 cm or

20m 100 cm.