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Ratio between speed of yatch in still water to speed of stream is 8:1.if 67.5km is travelled downstream in 2.5 hours then find the differenec between speed of yatch in still water to speed of strem (in kmph)? |
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Answer» 15 ATQ, `(67.5)/(2.5)=8x+x` `x=(27)/(9)` `x=3`. |
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