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1. |
Q: A Conical tent was erected by the army at a base camp with height 3 m and base diameter 10 m. If every person requires 3.92 cu.m air, then how many persons can be seated in that tent approximately? |
A. | 20 |
B. | 19 |
C. | 17 |
D. | 22 |
Answer» B. 19 | |