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Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day).

PRODUCT M1 M2
P 10 8
Q 6 6

If equal quantities of both are to be produced, then out of the four choices given below, the least efficient way would be:

  1. 48 of each with 3 minutes idle
  2. 64 of each with 12 minutes idle
  3. 53 of each with 10 minutes idle
  4. 71 of each with 9 minutes idle

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