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Mukesh and Shivam took a contract to do a job for Rs. 2800. Mukesh can do the job alone in 14 days and Shivam can do the job alone in 16 days. But they called Harsh for their help and completed the work in 6 days. How much money will Harsh get?
  • a)
    Rs. 540
  • b)
    Rs. 570
  • c)
    Rs. 560
  • d)
    Rs. 550
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Mukesh and Shivam took a contract to do a job for Rs. 2800. Mukesh can...
Time taken by Mukesh = 14 days
Time taken by Shivam = 16 days
Time taken by Mukesh, Shivam and Harsh =6 days
Total work = LCM of 14,16 and 6 = 336 units
⇒ Efficiency of Mukesh = 336/14 = 24 units/day
⇒ Efficiency of Shivam = 336/16 = 21 units/day
⇒ Efficiency of Mukesh, Shivam and Harsh together = 336/6 = 56units/day
⇒ Efficiency of Harsh = Total efficiency - Efficiency of (Mukesh +Shivam)
⇒ Efficiency of Harsh = 56−(24+21) = 56−45 = 11 units/day
For 56 units they get = Rs. 2800
⇒ 1 unit = Rs. 50
∴ Harsh's salary = 11×50 = Rs. 550
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Mukesh and Shivam took a contract to do a job for Rs. 2800. Mukesh can do the job alone in 14 days and Shivam can do the job alone in 16 days. But they called Harsh for their help and completed the work in 6 days. How much money will Harsh get?a)Rs. 540b)Rs. 570c)Rs. 560d)Rs. 550Correct answer is option 'D'. Can you explain this answer?
Question Description
Mukesh and Shivam took a contract to do a job for Rs. 2800. Mukesh can do the job alone in 14 days and Shivam can do the job alone in 16 days. But they called Harsh for their help and completed the work in 6 days. How much money will Harsh get?a)Rs. 540b)Rs. 570c)Rs. 560d)Rs. 550Correct answer is option 'D'. Can you explain this answer? for RRB NTPC/ASM/CA/TA 2024 is part of RRB NTPC/ASM/CA/TA preparation. The Question and answers have been prepared according to the RRB NTPC/ASM/CA/TA exam syllabus. Information about Mukesh and Shivam took a contract to do a job for Rs. 2800. Mukesh can do the job alone in 14 days and Shivam can do the job alone in 16 days. But they called Harsh for their help and completed the work in 6 days. How much money will Harsh get?a)Rs. 540b)Rs. 570c)Rs. 560d)Rs. 550Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for RRB NTPC/ASM/CA/TA 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Mukesh and Shivam took a contract to do a job for Rs. 2800. Mukesh can do the job alone in 14 days and Shivam can do the job alone in 16 days. But they called Harsh for their help and completed the work in 6 days. How much money will Harsh get?a)Rs. 540b)Rs. 570c)Rs. 560d)Rs. 550Correct answer is option 'D'. Can you explain this answer?.
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