If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

What happened when the wheel was invented?

Can you place six X (crosses) in below board without making three in a row in any way ?

Which is faster, Heat or Cold ? Explain.

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Rearrange the letters in "new door" to make one word.

What goes up but never comes down?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.