alleryA team of 15 workers can finish a job in 30 days. After 10 days, 5 more workers join. The remaining work takes
A18 days
B15 days
C12 days
D10 days
Answer & Solution
Correct answer: B. 15 days
Remaining work is 15 x 20 = 300 worker-days, and 20 workers finish it in 15 days.
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