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?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What is the next number in this matchsticks series riddle?

What is the word or phrase below?
R | E | A | D

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

What happened when the wheel was invented?

In the four images below, can you find the odd one out?