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?

If eleven plus two equals one, what does nine plus five equal?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

What has a ring but no finger?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?