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60 boys working 7 hours a day can do work in 18 days. In how many days will 28 boys working 9 hours a day do the same work?
  • a)
    25 days.
  • b)
    20 days.
  • c)
    30 days.
  • d)
    40 days.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
60 boys working 7 hours a day can do work in 18 days. In how many day...
Using the formula M1D1H1W2 = M2D2H2W1
Since work is same for the two cases
M1D1H1 = M2D2H2
⇒ D2 = M1D1H1 / M2H2 = 60 x 7 x 18 / 28 x 9
= 30 days
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60 boys working 7 hours a day can do work in 18 days. In how many days will 28 boys working 9 hours a day do the same work?a)25 days.b)20 days.c)30 days.d)40 days.Correct answer is option 'C'. Can you explain this answer?
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60 boys working 7 hours a day can do work in 18 days. In how many days will 28 boys working 9 hours a day do the same work?a)25 days.b)20 days.c)30 days.d)40 days.Correct answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about 60 boys working 7 hours a day can do work in 18 days. In how many days will 28 boys working 9 hours a day do the same work?a)25 days.b)20 days.c)30 days.d)40 days.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 60 boys working 7 hours a day can do work in 18 days. In how many days will 28 boys working 9 hours a day do the same work?a)25 days.b)20 days.c)30 days.d)40 days.Correct answer is option 'C'. Can you explain this answer?.
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