Question

Ram worked on a set of mathematics problems for
20 minutes and finished 4/15 of it. He then asked
Mohan to join him. Working together, they finished
the remaining set in 22 minutes. How long would
Ram and Mohan have taken to finish the set if they
worked alone?​

Answer 1

Answer:

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Answer 2

Answer:

time required by Ram=75minutes

time required by Mohan=50minutes

Step-by-step explanation:

work done by Ram in 1 minute=4/15×1/20=4/300

work done by Ram and Mohan in 1 minute=11/15×1/22=1/30

work done by Mohan in 1 minute=1/30-4/300

=>time required by Ram =300/4=75minutes,

time required by Mohan=300/6=50minutes

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