You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

If two's company, and three's a crowd, then whats four and five ?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

A couple went on a climbing trip. But only the husband returned from the vacation and said that his wife slipped off while climbing and died. On investigating, the local sheriff arrested him saying, 'Your travel agent called. You murdered your wife.'

The man did not inform anyone about the trip. Then how was the agent so sure that it was a murder?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

What is next number in the pattern below:

131 517 192 123 ?

What is at the end of a rainbow?