What number when divided in half becomes zero?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

Using eight eights and addition only, can you make 1000?

How do you go from 98 to 720 using just one letter?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Can you identify the famous TV character from the rebus below?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?