Can you place six X (crosses) in below board without making three in a row in any way ?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Why is a river so rich ?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Solve the mathematical equation in the picture below.

Count the squares in the matchstick puzzle below?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

I have teeth but i don't bite. Who Am I ?