If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Can you place three balls such that the equation shown in the picture holds true?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Can you find the key in the picture below?

Why is the Hole below a Lock?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

What does the below mathematical rebus mean?

I’m tall when I’m young, and I’m short when I’m old. What am I?