When monkey rotate the gear, which mark will be hit 1 or 2 ?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Find the number of squares in the below-given picture.

Find the next number in the series below.

6 18 270 72090 ?

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?

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

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Rearrange the letters in "new door" to make one word.