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 the next number in the series?

15 29 56 108 208 ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Why do people go to bed?

Solve the equation in the image by looking at the pattern closely.

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

Count the number of triangles in the picture below:

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?