Question

How many note books can be made out of a sheet of paper 105 cm by 22 cm,if each note book requires a piece of paper of size 15 cm by 2 cm?​

Answer 1

Answer and Explanation:

Dimensions on each note,

Length = 15 cm

Breadth= 2 cm

Area = l*b

= 30 cm^2

Dimensions of notebook,

Length = 105 cm

Breadth = 22 cm

Area = 105*22

= 2310 cm^2

No. of notes = 2310/30 . cm^2/cm^2

= 77

Hope this helps.