Q: How far will the tip of a 2cm-long minute hand of a clock move in 45 minutes? घड़ी की 2 cm लंबी मिनट की सुई की नोक (tip) द्वारा 45 मिनट में कितनी दूरी तय की जाएगी?
A.
π cm
B.
3π cm
C.
4 πcm
D.
2 π cm
Correct Answer:
Option B -
Explanations:
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