If you say my name, I will no longer exist. What am I?

A sundial has the fewest moving parts of any timepiece. Which has the most?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What's a single-digit number with no value?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Who always enjoys poor health?

If 1+9+8=1, what is 2+8+9?

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