Direction: Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis.

Q:

If 1 + 4 = 9, 2 + 8 = 18, 3 + 6 = 15 then 7 + 8 =?

• 1
  41
• 2
  23
• 3
  30
• 4
  32