50% of Harvard Students Can’t Solve This Simple Riddle

February 17, 2016 | Johannes Van Zijl


Can you?

Here is the riddle:

A bat and ball cost $1.10.
The bat cost one dollar more than the ball.

How much does the ball cost?

Scroll down for the answer…

SEE ALSO: Only 2% of People Can Solve Einstein’s Riddle

You probably answered 10 cents, that’s what most Harvard students answered, but it isn’t actually right.

The correct answer is 5 cents.

Did you get it?

In this video, Bite Size Psych explains this famous Cognitive Reflection Test by Professor Shane Frederick of Yale University’s school of management. It goes on to explain why so many people fail to solve the riddle at first and gives some tips on how to be more successful at them.


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