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

Count the number of balls in picture below:

Can you find the key in the picture below?

What has hands, but can’t clap?

How many triangles are there in the picture below?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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

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?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?