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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

Correct answer : 15

Solution:

A + A = 2 ……………(1)
A + B = 3 ………..….(2)
A + B + C = 6 ………(3)

From equation (2) A + B = 3 putting in equation (3)

3 + C = 6
C = 6–3 =3

Now putting the value of (A + B) and C*4

A+B+C*4
3+3*4 = 3+12 = 15
applied BODMAS rule

So final answer is 15

Cheers !!!