An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

What has lots of eyes, but can’t see?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

What kind of tree can you carry in your hand?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Why are televisions attracted to people?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What has one letter and starts with an E?