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Math-puzzle-reasoning-number-series

 

Number series puzzle 24

Math reasoning number series

All the equations given follow a pattern Find the formula that applies to the equations and apply to the last equation to find the missing number

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If

88=83

83=73

73=58

58=38

Then

38=??

Scroll down to see the answer

 


Answer  The pattern is:We subract the terms of the arithmetic progression 5,10,15,20,25,... 88-5=83 83-10=73 73-15=58 58-20=38 So 38-25=13 Answer is 13

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