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ATQ, 60% of 60 + 40% of ? = 75% of 160 - 30% of 120 Or, (0.60) X 60 + (0.40) X ? = (0.75) X 160 - (0.30) X 120 Or, 36 + (0.40) X ? = 120 - 36 Or, (0.40) X ? = 84 - 36 Or, (0.40) X ? = 48 So, ? = 120
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An equilateral triangle ABC is inscribed in a circle with centre O. D is a point on the minor are BC and ∠ CBD = 40°. Find the measure of ∠ ...
Mr. Arun rows a boat with the stream at 10 km/hr and against the stream in 5 km/hr. In still water, his rate of rowing in km/h is:
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