Direction to solve:

Each of these questions followed by three statements. Please study the questions and decide which of the statement(s) is/are necessary to answer the question.


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1.

In how many days can the work be completed by $A$ and $B$ together ?

I. $A$ alone can complete the work in $8$ days.

II. If $A$ alone works for $5$ days and $B$ alone works for $6$ days, the work get completed.

III. $B$ alone can complete the work in $16$ days.


A) I and II only

B) II and III only

C) Any two of the three

D) II and either I or III

E) None of these



2.

In how many days can $10$ girls finish a work?


A) Any two of the three

B) I and II only

C) II and III only

D) I and III only

E) None of these



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