A conical tent has to accommodate 25 per...

A conical tent has to accommodate 25 persons. Each person must have `4 m^2` of space on the ground and `80 m^3` of air to breathe. Find the height of the tent.
एक शंक्वाकार टेंट में 25 व्यक्तियों को बैठाना है। प्रत्येक व्यक्ति को `4 m^2` जगह और सांस लेने के लिए `80m^3` हवा चाहिए। टेंट की ऊँचाई ज्ञात कीजिए ।

A

50 m

B

60 m

C

40 m

D

45 m

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