alleryA, B మరియు C లు ఒక పనిని ఒంటరిగా 30, 20 మరియు 60 రోజుల్లో పూర్తి చేయగలరు. ముగ్గురూ కలిసి పూర్తి చేయడానికి పట్టే సమయం
A12 రోజులు
B8 రోజులు
C10 రోజులు
D15 రోజులు
Answer & Solution
Correct answer: C. 10 రోజులు
రోజువారీ పని (2 + 3 + 1)/60 = 6/60 = 1/10 వంతు, కాబట్టి 10 రోజులు.
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