A girl is cooking some food in the kitchen.The smell of the food being cooked soom reaches her brother's room.Explain how the smell could have reached her brother's room?

Kavitha thought of constructing 2 more rooms in her house. She enquired about the labour. She came to know that 6 men and 8 women could finish this work in 14 days. But she wish to complete that work in only 10 days. When she enquired, she was told that 8 men and 12 women could finish the work in 10 days. Find out the how much time would be taken to finish the work if one man or one woman worked alone.

You have done experiments for testing various food components in rice, potato, milk, curd, egg with required chemicals reagents. You know well about indications as you did in the class room with your friends. Make a table and write the results as given below. 1) Which foods could you identify in potatoes ?

Ask your friend to think the name of any food. Now you have to guess its name.For this you can ask some question. Your friend can only answer in Yes or No . What/How many questions did you ask b efore you could guess the answer ?