What does this simple rebus mean?

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

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

I am sure no one can have two things for dinner. what are they?

They are three errirs in this question. Can you find them?

Can you find out who is the kidnapper in below Picture and why, Explain ?

A bomb exploded in a room full of married couples and no one died. How?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Why is the Hole below a Lock?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?