Q:

After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
 × and +, 3 and 9
 I. 7 × 9 – 8 ÷ 2 + 3
 II. 4 × 9 – 3 + 8 ÷ 2

• 1
  0, 1
• 2
  –26, –29
• 3
  6, 0
• 4
  12, 13