If both the pipes are opened, how many hours will be taken to fill the tank? I. The capacity of the tank is 400 litres. II. The pipe A fills the tank in 4 hours. III. The pipe B fills the tank in 6 hours.

Even with all the three statements, answer cannot be given.

If both the pipes are opened, how many hours will be taken to fill the

1.	If both the pipes are opened, how many hours will be taken to fill the tank? I. The capacity of the tank is 400 litres. II. The pipe A fills the tank in 4 hours. III. The pipe B fills the tank in 6 hours.
A.	Only I and II
B.	Only II and III
C.	All I, II and III
D.	Any two of the three
E.	Even with all the three statements, answer cannot be given.
Answer» C. All I, II and III

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If both the pipes are opened, how many hours will be taken to fill the tank? I. The capacity of the tank is 400 litres. II. The pipe A fills the tank in 4 hours. III. The pipe B fills the tank in 6 hours.

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