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Shubham Bhadane

· started a discussion

· 1 Months ago

please explain proparly (Question:235374.0)

please explain in detailed my exam in 2 days i an totally unknown from this topic this is very imp topic please explian as quike as possible

Question:

A and B can complete a piece of work in 30 days, B and C in 20 days, while C and A in 15 days. If all of them work together, the time taken in completing work will be

Options:
A)

10 day

B)

12 day

C)

12 23    day

D)

13 13    day

Solution:

Ans: (d) 

  

Efficiency of A + B + C =  92    

Work done by A, B and C together =  6092    =  1209   

=  403    = 13 13    days.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
We are sorry that we were unable to attend your query at the proper time.
Keep learning,
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