Arithmetic Ability
Time and Work

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Q.

When A, B and C are deployed for a task , A and B together do 70% of the work and B and C together do 50% of the work. who is most efficient?

View Answer

Correct choice: A

Explanation:

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
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