The Little ant seems to be always confused. Do you know why?

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?

I am the fastest animal but cannot climb the tree. What am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

I make two people out of one. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Lady Gaga is pregnant and currently has 6 daughters

1. Dorry 2. Rebeka 3. Michael 4. Faniya 5. Sophia 6. Lavanya

What will she name her next child girl? (Think Logical)

A. Neema B. Tanya C. Tisha D. Jenniffer

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

81 x 9 = 801. What must you do to make the this equation true?