There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

Whats the next number in the below number sequence pattern.

Solve this riddle by finding the odd one out from the rest.

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?