who is silent in the parliament?

What word is represented by this rebus?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

How many bananas can you eat if your stomach is empty?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

Can you replace the question mark with the correct number in the below table sequence?

Find the smallest sentence with all the English alphabet.

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?