MCQ
$Ed = ......$
  • $\frac{\Delta\text{Q}}{\Delta\text{P}}.\frac{\text{P}}{\text{Q}}$
  • B
    $\frac{\Delta\text{P}}{\Delta\text{Q}}.\frac{\text{Q}}{\text{P}}$
  • C
    $\frac{\Delta\text{P}}{\Delta\text{Q}}.\frac{\text{P}}{\text{Q}}$
  • D
    $\frac{\Delta\text{Q}}{\Delta\text{P}}.\frac{\text{Q}}{\text{P}}$

Answer

Correct option: A.
$\frac{\Delta\text{Q}}{\Delta\text{P}}.\frac{\text{P}}{\text{Q}}$

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