2, 3, 5, 9, 17, _ What is the next number in the sequence?

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

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

What is the next number in this matchsticks series riddle?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?