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Time and Work · UPSC CDS/OTA · Question 20 of 105

Time and Work: A and B can separately do a piece of work in 20 and 15 days respectively. They worked together for 6 days, after which B was replaced by (c) If the work was finished in the next 4 days, then the number of days in which C alone could do the work will be?

Step-by-step solution. Time and Work for UPSC CDS/OTA.

Topic
Time and Work
Subject
Mathematics
Difficulty
Medium
Solve Time
45-60 sec

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Q · Time and WorkMedium · 45s

A and B can separately do a piece of work in 20 and 15 days respectively. They worked together for 6 days, after which B was replaced by (c) If the work was finished in the next 4 days, then the number of days in which C alone could do the work will be?

TopicTime and Work
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.25
Test Duration30 min

Step-by-Step Solution

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Solution illustration 1
Final Answer: Option B - 35 days
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A and B can separately do a piece of work in 20 and 15… - Time and Work (Mathematics) Solved Question