Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?
Using eight eights and addition only, can you make 1000?
Replace the question mark with the correct number. 2 + 2= 4 3 + 3= 18 4 + 4= 48 5 + 5= ?
Decode the below four famous ciphers: 8P of the SS 1M of the E 1S of the SS 60M in 1H
You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?
Find the next number in the series. 1 10 24 43 67 ?
A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was. In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?
Solve the following series: AZ, GT, MN, __, YB
Which is the smallest number that you can write using all the vowels exactly once?
What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.
