How much time will the leak take to empty the full cistern? I. The cistern is normally filled in 9 hours.  II. It takes one hour more than the usual time to fill the cistern because of la leak in the bottom.

A.I alone sufficient while II alone not sufficient to answer

B.II alone sufficient while I alone not sufficient to answer

C.Either I or II alone sufficient to answer

D.Both I and II are not sufficient to answer

E.Both I and II are necessary to answer

Answer=Option E

Subscribe
Notify of
guest
0 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments
0
Would love your thoughts, please comment.x
()
x