CTET|Paper 1#!#Animals

STATEMENT - 1 : Colloids can be purified by dialysis and STATEMENT - 2 : Colloidal particles easily pass parchment paper or animal membrane.

If a roll of paper 1 km long has area 1/25 hectare, how wide is the paper ?

Discussion OF Test Paper-1 and 2

Out of 5 grass papers 1 ream paper were used for printing.How many quire papers remained in stock?

Discussion OF Test paper -1