Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

How is the moon similar to a dollar?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you find the six hidden animals in the picture below?

Where do you go to learn how to make ice cream?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

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

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145