You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I have eight fingers and two thumbs but I do not live. What Am I?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

I am sure no one can have two things for dinner. what are they?

What is so fragile that saying its name breaks it?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?