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CMA Intermediate · Operations Management and Strategic Management · Control Measures - Time and Motion Study, Method Study, Work Study

A stopwatch study of a packing task at an Indian FMCG plant records a mean observed time of 1.8 minutes per cycle at a rating of 110. Relaxation allowance is 10% of basic time and contingency allowance is 2% of basic time. The standard time per cycle is closest to which value?

The standard time is about 2.22 minutes. Basic time is 1.8 x 1.10 = 1.98 minutes. Allowances total 12% of basic time, adding 0.2376 minutes, giving 2.2176. Leaving out rating or allowances would produce an incorrect smaller figure.

  1. A2.22 minutesCorrect
  2. B1.98 minutes
  3. C2.17 minutes
  4. D2.02 minutes

Explanation

Basic time = 1.8 x 110/100 = 1.98 minutes. Total allowance = 12% of basic = 0.2376. Standard time = 1.98 + 0.2376 = 2.2176, about 2.22 minutes. Option 1.98 omits allowances; 2.17 wrongly uses only part of the allowances, and 2.02 only the contingency.

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