I look at you, you look at me, I raise my right, you raise your left. What am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

The dirtier I get, the whiter I look. Who am I?

Can you start the fire using two pieces of wood?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

I know a nine-letter word having only one vowel.
Do you ?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

What four weights can be used to balance from 1 to 30 pounds?

Which is the correct shadow of the bird?