When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

The centre of the third figure is empty. What digit should fit inside?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Can you solve the below tricky visual equation?

Who can jump higher than a Mountain?

O_er_t_o_

Complete the missing letters of the given word.