I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Complete the table series riddle by finding the number that can replace "??".

What is the word or phrase?

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?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What has a bottom at the top?

When it is alive we sing, when it is dead we clap our hands. What is it?

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.

In a certain bank, a man deposits a certain amount. According to the bank policies, the amount will be doubled up in a year but as the service charge, they will also deduct Rs. 65 by the end of every year.

If after the 6th year, the amount becomes 0, what do you think is the original amount he deposited in the bank?