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

Q:

2 × 4 × 6 = 4; 9 × 3 × 7 = 13; 4 × 7 × 6 = 3; 9 × 7 × 8 =?

• 1
  10
• 2
  09
• 3
  08
• 4
  07