What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

I shave every day, but my beard stays the same. What am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Solve the mathematical equation in the picture below.