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In how much time can A and B together complete the entire work? Given: A and B work alternately starting with A and finish the work in 16 days. The ra...

Banking RBI Grade B Prelims Medium Analogy MCQ

Question

In how much time can A and B together complete the entire work?

Given:

  1. A and B work alternately starting with A and finish the work in 16 days.
  2. The ratio of efficiencies of A and B is 2 : 1.
  3. C alone can complete the work in 36 days, and A and C together can complete it in 9 days.

Which of the following statements or combinations of statements are sufficient to find the time taken by A and B together to complete the work?

Options

A.

(a) Statements 1 and 2 together

B.

(b) Statements 2 and 3 together

C.

(c) Either statement 1 alone or statements 2 and 3 together

D.

(d) All statements together

E.

(e) None of the above combinations

work and timeefficiencydata sufficiencyratioalternating work

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