Mathematics
NULL
Medium
Question
The radius of a circular wheel is 1.75 m. How many revolutions will it make in traveling 1 km?
A
1000
✓ Official correct answer
B
2000
C
3000
D
4000
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
1000
No member explanations yet for this option.
B
2000
No member explanations yet for this option.
C
3000
No member explanations yet for this option.
D
4000
No member explanations yet for this option.
Explanation
Circumference = 2 × (22/7) × 1.75 = 11 m. Revolutions = 1000 / 11 ≈ 90.91, which is not among the listed options.