A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

When it's bad luck to meet a black cat?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

By using 'because' continuously three times, can you make an English statement ?

Can you place six X (crosses) in below board without making three in a row in any way ?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months