Q:

After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
 + and ×, 5 and 4
 I. 4 + 6 × 5 – 7 ÷ 1
 II. 5 × 3 – 4 + 8 ÷ 2

• 1
  –9, –8
• 2
  30, –13
• 3
  20, 6
• 4
  27, –13