Direction: The following question is accompanied by three statements (I), (II) and (III). You have to determine which statement(s) is/are sufficient/necessary to answer the question:
Find the time taken by 6 men and 4 women to complete a given piece of work
Statement I: Efficiency of one man = Efficiency of two women.
Statement II: 8 women complete the same work in 30 days.
Statement III: Efficiency of one man = efficiency of two child1
Only I and II
2
Only II and III
3
Only I and III
4
All I, II and III together
5
All the given statements are insufficient.