Fifty-year-old Scientist

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.




Similar Riddles

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?

Asked by Neha on 22 Jan 2026


Do You See It?

Do You See It?

Asked by Neha on 17 Feb 2022

It belongs to you, but other people use it more than you do. What is it?

Asked by Neha on 19 Feb 2022


If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Asked by Neha on 03 Feb 2023

What month of the year has 28 days?

Asked by Neha on 08 May 2022

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Asked by Neha on 14 Aug 2024


Can you name four days which start with the letter 'T'?

Asked by Neha on 20 Nov 2024

Can you find out which number multiplied by itself will give the output as 12345678987654321?

Asked by Neha on 27 Mar 2023

What am I?

Asked by Neha on 10 Apr 2025


It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

Asked by Neha on 21 Jul 2021

Hot Articles

Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.