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

What can you hold in your right hand, but never in your left hand?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Using Only Five 5's and any mathematical operator make sum as 37

Can you solve the below geography rebus by decoding the below rebus ?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?