Given:
A and B together can complete the work in 50 hours
B and C together can complete the work in 75 hours
A and C together can complete the work in 25 hours
Solution:
A and B work rate =
B and C work rate =
C and A work rate =
Now,
A + B + B + C + C + A =
2( A + B + C ) =
A + B + C =
The time taken by A, B, and C together to complete the work is the reciprocal of this rate
Time =
English
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishA can lay railway track between two given stations in 20 days and B can do the same job in 12 days. With the help of C, they did the job in 2 days only. Then, C alone can do the job in
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