What number when divided in half becomes zero?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Make a sentence consisting of three words that have the whole alphabet.

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

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

What month of the year has 28 days?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

I have branches, but no fruit, trunk or leaves. What am I?