If it took eight men ten hours to build a wall, how long would it take four men to build it?

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

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?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

what does the below math rebus puzzle mean?

What is next number in the pattern below:

131 517 192 123 ?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

What does does this rebus picture means ?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?