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Vyomdeep

· started a discussion

· 1 Months ago

Again wrong..."A is the most efficient" (Question: 586104.0 )

Although time isnt mentioned but the condition is given that they are doing it in same time

Question:
When A, B and C are placed for a task A and B together do 70% of the work and at the same time B and C together do 50% of the work, who is more efficient?
Options:
A) A
B) B
C) C
D) can't be determine
Solution:

Ans (a)
A + B= 70%   

B + C =50%   

 ∵ (A+B)+(B+C)-(A+B+C)= B

=> B= 20%     A= 50% and C=30%

Hence A is most efficient

Knowledge Expert

· commented

· 1 Months ago

Dear student
We have updated the solution
and options are been corrected.

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