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.'

Which is Odd One Out and why?

4377

3954

9862

8454

9831

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What question can you never answer yes to?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

The cream is heavier than Milk. True or False?

Can you count the number of triangles in the given figure?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

What number divided by 4 is the same as that number minus 4?