WhatsApp Riddle: How Old is My Sister, If I am 100.

Here’s an easy one to challenge your brain. Read this age riddle and leave the answer in the comments section.


When I was 4 years old my sister was half my age,

Now I am 100 years old.

How old is my sister?

(Answer quickly without using paper or calculator)

Only 1 % get it right within 3 seconds.


So were you able to solve the riddle? Leave your answers in the comment section below.

If you get the correct answer, please share it with your friends and family on WhatsApp, Facebook and other social networking sites.

3 Replies to “WhatsApp Riddle: How Old is My Sister, If I am 100.”

  1. The answer is wrong. It could be 98, but based on the information in the question, it could just as easily be 97 or 99.

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