What does below Rebus mean ?

esgg sgeg gegs gsge

Which is heavier: a ton of bricks or a ton of feathers?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

What is always in front of you but can’t be seen?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A father's child, a mother's child, yet no one's son.

Who am I?

Count the number of lines in the image below ?

I am sure no one can have two things for dinner. what are they?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?