NIELIT 2019 Feb Scientist C - Section D: 12

Question

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?

• A. $37.5$ m
• B. $150$ m
• C. $75$ m
• D. $15$ m

Comments

$\frac{1}{3}\times(10\times6)\times h=10\times30$   $\Rightarrow$   $h=15m$

Answer 1

option D is right