who is silent in the parliament?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

What does this mean?

CCCCCCC