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Hard-puzzle-math-reasoning-12

A hard puzzle

Math reasoning

 

 If

20+3=46

10+2=12

30+1=93

32+1=165

Then

40+5=?

You must think outside the box

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Below you can see the answer and the explanation

 

Answer  The pattern is:First we find the sum and then we multiply it by the sum of the digits of the first number A 20+3=23 23x(2+0)=23x2=46 10+2=12 12x(1+0)=12x1=12 30+1=31 31x(3+0)=31x3=93 32+1=33 33x(3+2)=33x5=165 40+5=45 45x(4+0)=45x4=180 The answer is 180

 

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