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

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

I have branches, but no fruit, trunk or leaves. What am I?

What does this below rebus puzzle mean?

What part of the chicken has the most feathers?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?