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.

What do you see in the image below

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

I travel all around the world but always stay in the corner. What am I?

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

How can you drop a raw egg from a height onto a concrete floor without cracking it?

How many bananas can you eat if your stomach is empty?