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.

Find the Odd One Out?
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What Does this text mean:

important=important

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

can you solve the below rebus puzzle?

Can you make a fire with just a single stick?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

What does this rebus means ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

I make two people out of one. What am I?