Explanation:

The logic used : Here we add the Answer of the first step to the given sum of the other two numbers.

5 + 2 + 5 = 12

12 + 3 + 6 = 21

21+4+7=32

32 + 5 + 8 = 45

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Equation1:

10+10+10=30

Equation2:

5+5+10=15

Equation3:

4+4+5=13

Equation4:

5+(5+4+10)*2=?

Apply BODMAS…

Hint: A holding two popcorn’s and pair of shoes in his feet

5+38=?

Correct answer =43