In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

What's the only room from which no one can enter or leave

If 1+9+8=1, what is 2+8+9?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

I always drive my customer away.

Who am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Complete the following series. It.s very logical:

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

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Why is the Hole below a Lock?

Find the value of "?" in the ball picture Riddle below: