How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Why is it very easy to weigh a fish?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What is more useful when it is broken?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

What does Alexander the Great and Winnie the Pooh have in common?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?