A) equal to 8800
B) less than 8800
C) equal to 8400
D) greater than 9000
Correct Answer: C
Solution :
| [c] Required number of bullets \[=\frac{\text{Volume}\,\text{of}\,\text{ractangular}\,\text{block}}{\text{Volume}\,\text{of}\,\text{one}\,\text{spherical}\,\text{bullet}}\] \[=\frac{110\times 100\times 50}{\frac{4}{3}\times \frac{22}{7}\times \frac{5}{2}\times \frac{5}{2}\times \frac{5}{2}}\] \[=\frac{110\times 100\times 50\times 3\times 7\times 8}{4\times 22\times 125}=8400\] |
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