Q:

For each 200 rupees spent by the research department, sales departments spend 20 rupees. For every 400 rupees spent by the sales department, the advertising department spends 150 rupees. The triple ratio of the money spent by the research department to the money spent by the sales department to the money spent by the advertising department can be expressed as: 

• 1
  40 : 8 : 3
• 2
  80 : 8 : 3
• 3
  20 : 4 : 0.1
• 4
  2 : 1 : 5