Q:

which of the following meanings of the arithmetical signs will yield the value ' zero ' for the expression given below?
200x100 + 300 x 200 10÷2 + 40

• 1
  + means –, – means x, x means ÷, ÷ means +
• 2
  + means –, – means ÷, x means +, ÷ means ×
• 3
  + means ×, – means –, x means ÷, ÷ means +
• 4
  None of these