There was a strange boy who was born before his father. How can this be possible?

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?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Solve below rebus puzzle?

Complete the table series riddle by finding the number that can replace "??".

What has lots of eyes, but can’t see?

The centre of the third figure is empty. What digit should fit inside?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

Which tank will fill first?