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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 Any two of the three

B III, and either I or II

C All I, II and III

D I and II only

E Any two of the three

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