alleryStart learning →A, B and C alone take 6, 12 and 4 days. Together they take
A3 days
B2 days
C4 days
D1.5 days
Answer & Solution
Correct answer: B. 2 days
Daily work is 1/6 + 1/12 + 1/4 = 1/2, so the job takes 2 days.
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