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A distribution utility inputs 1000 MU and sells 780 MU. Its transmission and distribution loss is

  • A.12 per cent
  • B.22 per cent
  • C.78 per cent
  • D.28 per cent

Answer: B

Correct answer: 22 per cent

\[ \frac{1000-780}{1000} = \frac{220}{1000} = 22\%. \] Loss is the shortfall as a fraction of the energy input, so it is 22 per cent and not 28 - that would come from dividing 220 by 780, comparing the loss against the sales rather than against the input.

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