Q:

Statements: No computers is mouse.
 All mouses are printers.
 No pendrive is printer.
 Conclusions:
 I. Some printers are not pendrives.
 II. No printer is computer.
III. No mouse is pendrive.
IV. No computer is pendrive.

• 1
  Only I and IV follow
• 2
  Only I, III and IV follow
• 3
  Only III follows
• 4
  Only II, III and IV follow
• 5
  None of these