Decode below three cipher riddles:

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

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

What does this rebus riddle means ?

Which famous Hollywood movie name is hidden in the below rebus?

Which tank will fill first?

A man dies of old age on his 25 birthday. How is this possible?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?