What has no start, end, or centre?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

Who is that with a neck and no head, two arms and no hands? What is it?

How many triangles can you find in this given picture?

I have Rs.50 and I spend it in the way as below.

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I am never scared but became petrified and can’t live in a house but would die to make one. 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?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?