Let’s check your intelligence. Are you a genius?
Here is the simplest of tests with just three easy questions! Can you answer them correctly?

IMPORTANT NOTE #1: The Cognitive Reflection Test is timed. You don’t have eternity to answer these simple questions. I’m being lenient and give you 40 seconds per question! Total time: 2 minutes!

IMPORTANT NOTE #2: Answer in numbers.

What has this got to do with web Development? Absolutely nothing!

I put these up on the site because I like them and so do my two boys. We’ve great fun answering these questions and hope you have too.

Take a deep breathe and start! Best of luck!

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Here are the answers…

Question #1 : What is the cost of the ball in cents?

If the ball and bat together cost $1.10 and the bat is $1.00 more than the ball, the bat costs $1.05 and the ball costs $0.05 or 5 (five) cents. They now total $1.10.

Question #2 : How many minutes would it take 15 people to make 15 pots?

3 people make 3 pots in 3 minutes. Let’s assume that each person works on only one pot. This means, each pot is made by one person in 3 minutes. Thus, 15 people will make 15 pots in 3 minutes!

Question #3: If it took 52 days for the patch to cover the entire lake, how many days did it take it to cover half of the lake?

Remember that the patch doubles each day! Thus, if the entire lake was covered in 52 days, half of the lake was covered a day before – 51 days!

The take home message

If you couldn’t get all the questions right, or worse still, you got everything wrong, don’t feel bad.

Life is a journey that needs constant learning. So you should feel happy that you are now smarter than before.

And if it makes you feel any better, one-third of the people surveyed got all three questions wrong. In fact, close to half of students of the prestigious Massachusetts Institute of Technology (MIT) couldn’t get all the three correctly!

Have fun. Tell your friends about this test – see if they can get these questions right!

A baseball bat and a ball together cost $1.10. The bat costs $1.00 more than the ball. What is the cost of the ball in cents?

(5, five)

Question: 1 of 3

2. Question

If it takes 3 people to make 3 pots in 3 minutes, how many minutes would it take 15 people to make 15 pots?

(3, three)

Question: 2 of 3

3. Question

There is a path of lily pads in a lake. It doubles in size each day. If it took 52 days for the patch to cover the entire lake, how many days did it take it to cover half of the lake?

IMPORTANT Have a question / problem? Click here to ask an expert.

Anonymous on September 23rd, 2016 8:20 pm

That was good

Anonymous on November 2nd, 2016 8:27 pm

I am 76 years old and I had fun with this. Got one wrong though. Seems the brain cells are still working

Robin on May 29th, 2017 3:35 am

Question #1 : What is the cost of the ball in cents?
If the ball and bat together cost $1.10 and the bat is $1.00 more than the ball, the bat costs $1.05 and “the ball costs $0.05 or 50 (fifty) cents”. They now total $1.10.
A query on your answer “Did the ball cost .05 or .50cents” It cant be both or was that another test?

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