A) 7
B) 11
C) 200
D) 700
Correct Answer: D
Solution :
Circumference of wheel \[=2\pi r\] \[=2\times \frac{22}{7}\times 21\,cm\] \[=132\,cm\] \[\therefore \] Number of revolution \[=\frac{92400}{132}=700\]You need to login to perform this action.
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