Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

Remove two matchsticks to make the below equation correct.

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

What brings you down but never up?

I look at you, you look at me I raise my right, you raise your left. What am I?

Can you find a five letter word that is left with only two letters if one is removed?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.