Which is faster, Heat or Cold ? Explain.

Replace the question mark with the correct number.

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?

You see me once in June, twice in November, and not at all in May. What am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I can be cracked, made, told, and played. What am I?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

What runs around the whole yard without moving?

John walks into the daily grocery shop and steals a $100 bill from the shop. An hour later John returns to the shop and buys some daily products for $40. John pays the owner the $100 bill and therefore the owner returns him $60.

How much money did the owner lose?