Mathematics
NULL
Medium
Question
What part of a ditch 48 m long, 16.5 m broad and 4 m deep can be filled by the earth from digging a cylindrical tunnel of diameter 4 m and length 56 m?
A
46031
B
46062
✓ Official correct answer
C
46212
D
46243
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
46031
No member explanations yet for this option.
B
46062
No member explanations yet for this option.
C
46212
No member explanations yet for this option.
D
46243
No member explanations yet for this option.
Explanation
Tunnel volume = π×2²×56 = 704 m³; ditch = 48×16.5×4 = 3168 m³. Fraction = 704/3168 = 22/99 (≈ 2/9). Listed options do not show that fraction.