A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Next Number in the Series,

5, 16, 49, 104, ?

I am white when I am dirty, and black when I am clean. What am I?

What is the centre of gravity?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What does does this rebus picture means ?

Using Only Five 5's and any mathematical operator make sum as 37