why number 8549176320 is one of a kind?

How far can you walk into the woods?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

I drive at an average speed of 30 miles per hour to the railroad station each morning and catch my train. On a particular morning, there was a lot of traffic and at the halfway point, I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

I travel all around the world but always stay in the corner. What am I?

Why do we preferably have round manhole covers and not square ones?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

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 does the below rebus riddle means?

Can you place three balls such that the equation shown in the picture holds true?