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

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

How many letters are in the alphabet?

Decode below rebus
D
N
A
T
S , D

I’m orange, I wear a green hat and I sound like a parrot. What am I?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT