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

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Nine Numbers Riddle

Asked by Neha on 21 Jun 2021


A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Asked by Neha on 27 Apr 2022

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Asked by Neha on 17 May 2021


What does this rebus puzzle means ?

Rebus Picture Problem

Asked by Neha on 18 Jul 2023

I have Rs.50 and I spend it in the way as below.

Fund and Spends

Asked by Neha on 01 Oct 2023

A woman who works in a sweet shop has a measurement of 32-26-36, is 5"4" tall, and wears size "6" shoes. What do you think she weighs?

Asked by Neha on 28 Apr 2026


A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Asked by Neha on 21 Jan 2023

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

Asked by Neha on 05 Mar 2023

Can you quickly find which two matchstick figures are identical?

Quick Answer Riddle

Asked by Neha on 06 May 2026


We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

Asked by Neha on 12 Jan 2021

Hot Articles

Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.