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

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Asked by Neha on 28 Jan 2025


Can you find out who is the kidnapper in below Picture and why, Explain ?

Catch the Kidnapper

Asked by Neha on 17 May 2021

What breaks yet never falls, and what falls yet never breaks?

Asked by Neha on 09 Mar 2025


What month of the year has 28 days?

Asked by Neha on 08 May 2022

Which tank will fill first?

Fill The Tank

Asked by Neha on 13 Jul 2021

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

deaf and mute man at train station riddle

Asked by Neha on 14 Mar 2021


What is the riddle which can be asked all day with a different correct answer each time.

Always New Answer

Asked by Neha on 22 Mar 2021

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

English Winglish

Asked by Neha on 18 Jun 2024

What is the next number in the series?

15 29 56 108 208 ?

Asked by Neha on 27 Dec 2024


I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Asked by Neha on 26 Jan 2021

Hot Articles

Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki