Independence Day Sale is liveGet up to 75% OFFGrab the offer
Time and Work · UPSC CDS/OTA · Question 16 of 105

Time and Work: Machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines start at 9 (a)m. While machine P is closed at 11 am and the remaining two machines complete the work. Approximately at what time will the work be finished?

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

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

Solved UPSC CDS/OTA Question

A solved UPSC CDS/OTA PYQ - decoded step-by-step.

Solve it the standard way once - then learn the shortcut.

Q · Time and WorkMedium · 45s

Machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines start at 9 (a)m. While machine P is closed at 11 am and the remaining two machines complete the work. Approximately at what time will the work be finished?

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

Step-by-Step Solution

The complete worked solution.

Every step explained - no skipped algebra.

Solution illustration 1
Final Answer: Option C - 12 noon
Solve Question✦ Build Plan
Machine P can print one lakh books in 8 hours, machine… - Time and Work (Mathematics) Solved Question