What goes up but never comes down?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

There is something which is always coming but never arrives?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Why do people go to bed?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

The more of this there is, the less you see. What is it?