What does below chemistry rebus means?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

John was piloting a plane behind a car but was never able to overtake it. Why?

What does the below image rebus riddle means ?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

What does Alexander the Great and Winnie the Pooh have in common?

Before Mount Everest was discovered, what was the highest mountain in the world?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Keyboard words are not in alphabetical order, Why?