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NIELIT 2019 Feb Scientist C - Section D: 12

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A conical tent is to accommodate $10$ persons. Each person must have $6m^{2}$ space to sit and $30m^{3}$ of air to breath. What will be height of cone?

  1. $37.5$ m
  2. $150$ m
  3. $75$ m
  4. $15$ m

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