How many materials can be used for making chairs ? List them.

A list of things in a house are given in table 2. Name the materials from which each object may possible be made of: (If you don't know which material the objects is made of, discuss with your friends and find out.) How many types of material can be used for making chairs?

How can the same material be used ?

Which one of the following materials cannot be used to make a lens ?

How many materials are required for cooking boiled rice? What are they?

Which one of the following materials is used for making shoe polish ?

How many 4-letter code can be formed using the first 10 letters of the English alphabet, if no letter can be repeated?

How do we decide which material should be used for making an object?

Have you observed tea being prepared? What substance are used for preparing tea? List them in table 7. and also list out the different substance that are used to make the items given in table7.

What material is used to make handles of utensils ?

How many permuations can be made using all the letters of the word FLOWER ?