What does below rebus means ?

What's a single-digit number with no value?

Which city is three-fifths chick two third cat and 50% goat?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

What work can one never finish?

What does below pictogram mean?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?