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Q1:

What is the speed of the boat in still water?

I. The speed downstream is 12 kmph.

II. The speed upstream is 4 kmph.

III. In a to and fro journey between two points, the average speed of the boat was 6 kmph.

A I and II only

B Any two of the three

C III, and either I or II

D Any two of the three

E All I, II and III

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