alleryहें . P आनी Q कार्यां 4 आनी 6 h घेतात आनी एकठांय धांवूंक शकतात; R दोगांय उपरांत 3 h घेता. किमान एकूण?
A9 h
B8 h
C7 h
D13 h
Answer & Solution
Correct answer: A. 9 h
हें .
P आनी Q एकठांय धांवपाक 6 वरां लागतात, उपरांत R च्या 3 वरां, वट्ट 9 वरां.
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