There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

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

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

How many triangles are there on the puzzle below?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Forwards I am heavy, backward I am not. What am I?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?