This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Which is the correct shadow of the bird?

What has to be broken before you can use it?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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?

Can you find out the total number of triangles in the given figure?

No matter how little or how much you use me, you change me every month. What am I?

Remove two matchsticks to make the below equation correct.

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?