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Math reasoning questions and answers-Puzzle 330

 Practice with these Mathematical reasoning  questions and answers.

# Puzzle 330

By Panos Kalliantasis

 

 Test your reasoning skills
Can you find the logical relation of the equations and then find the missing number?

#Puzzle 330

 If

15=62

17=5

18=56

Then

19=??

 Try to solve it yourself and discover the rule that the equations follow.

Scroll down to see the answer

 
If the number of the equation is AB
The pattern is:
AB= A^2 + B^2 and reverse the
result
15 1^2 +5^2=1+25=26 so 62
17 1^2 +7^2= 1+49=50 so 05=5
19 1^2 + 9^2=1+81=82
So correct answer is 28

 

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 Similar puzzles Math  reasoning

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70 Math reasoning eBook

 

 70 selective math reasoning exercises to practice various arithmetic reasoning patterns
Try to solve them yourself and discover the rule that the equations follow.


In each exercise the answer and detailed reasoning are given to compare your answers and interactively develop your skills.



  Thanks  Panos Kalliantasis

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