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

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

Which alphabet letter is a question?

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

I know a nine-letter word having only one vowel.
Do you ?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

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