Question

13. Mohit can do a work in 20 days, while
Rohit can do the same work in 30 days. Together,
they completed a certain work, where Mohit started the work on the first day and on any
day exactly one of them worked. If they divided the money they earned
for the
work in
the ratio 1:1, in how many days was the work completed?
a. 24 days
b. 25 daysm​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

Concept:

One of the most frequent themes in quantitative aptitude that is tested in government exams is time and work. One of the subjects that candidates are knowledgeable about even before they begin preparing for competitive exams.

Given:

Mohit can do a work in 20 days.

Rohit can do the same work in 30 days.

Together, they completed a certain work, where Mohit started the work on the first day and on any day exactly one of them worked.

Find:

If they divided the money they earned for the work in the ratio 1:1, in how many days was the work completed.

Solution:

As per the given details Mohit and Rohit completed the work together. But they didn't worked on the same day that means either one of them worked each day

Mohit can complete the work in 20 days

Rohit can complete the work in 30 days

Ratio of Wages = Ratio of efficiency of work

Working ration = 1 : 1

As per the given data by taking alternate days of each working days, let us take 10 days from Mohit and 15 days from Rohit

So working days of Mohit = 20 / 2 = 10

    working days of Rohit = 30 / 2 = 15

Now let us add total working days = 10 + 15 = 25

So they both can complete the work in 25 days.

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