What can you see in the middle of March and April that you can never see in any other month?

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?

What does Alexander the Great and Winnie the Pooh have in common?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

What's the only room from which no one can enter or leave

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

What 5-letter word typed in all capital letters can be read the same upside down?