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ATQ, Let length of Bus be ‘l’ metres According to question; So, l = 16 × s × (5/18) ------(i) And, l + 240 = 28 × s × (5/18) ---------(ii) From (i) and (ii), Or, 16 × s × (5/18) = 28 × s × (5/18)– 240 Or, 12 × s × (5/18) = 240 Or, s = 72
17, 21, 48, 64, 170
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