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.'

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

You need to move three matchsticks to form three squares. Can you do it?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Spot 5 differences in two Christmas tree below:

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Which is the smallest number that you can write using all the vowels exactly once?

It is always ahead of me yet I can never see it. What is it?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

What can go through glass without breaking it?