Eight of us go fourth, not back, to protect our king from an attack. What are we?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What breaks yet never falls, and what falls yet never breaks?

Identify the hidden meaning behind this picture?

What is the word or phrase below?
R | E | A | D

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?