A father's child, a mother's child, yet no one's son.

Who am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Using eight eights and addition only, can you make 1000?

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?

What is the next number in the series?

15 29 56 108 208 ?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Which number comes next in the number series?

2, 9, 30, 93, ?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

Solve the counting riddle by identifying the number of triangles in the given picture.