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- In an hour a boat goes 10 Km along the stream and 4 Km against the stream.
Question 1:
In an hour a boat goes 10 Km along the stream and 4 Km against the stream. The speed of the boat in still water (in Kmph) is: A. 7 Kmph
Feedback Let the speed of stream = X Kmph
and the speed of water = 8 Kmph
X + Y = 10
X - Y = 4
X = 7, Y = 3
Speed of stream = 7 Kmph
and the speed of water = 8 Kmph
X + Y = 10
X - Y = 4
X = 7, Y = 3
Speed of stream = 7 Kmph
B. 8 Kmph
C. 10 Kmph
D. 9 Kmph
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