Q:

By interchanging the given two signs, which of the following equations will NOT be correct?
 × and –
 I. 17 – 21 + 86 ÷ 2 × 13 = 387
 II. 10 + 63 – 12 × 259 ÷ 7 = 739

• 1
  Equation I
• 2
  Equation II
• 3
  Neither I nor II
• 4
  Both I and II