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Start learning 50% faster. Sign in nowSpeed of train = (Length of train + Length of Platform)/Required time Length of train = 300 m Crossing time of platform = 3 × 60 = 180 sec Length of platform = 300 × 2 = 600 m Let the speed of train be x. Speed of train = (300 + 600)/180 ⇒ x = 900/180 = 5 m/s
A circle has its area eleven times greater than its circumference in numeric value. Find the circle’s diameter.
Determine the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY- plane?