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ramesh bairwa

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· 1 Months ago

solution?

Question:
A is 50% as efficient as B. C does half of the work done by A and B together. If C does the work alone in 20 days, then A, B and C together can do the work in —
Options:
A) 6 days 
B) 6 \(\cfrac{2}{3}\) days
C) 7 days 
D) 5 \(\cfrac{2}{3}\) days 
Solution:
Ans: (b) 


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