SSC MTS & Havaldar 2016 · Question 140 of 162
Let the speed of boat in still water be u and speed of current be v ⇒ Speed of boat along the stream = u + v = 16 km/hr ⇒ Speed of boat against the stream = u - v = 12 km/hr ⇒ Speed of boat in still water = (1/2) × (u + v + u - v) = (1/2) × 28 ∴ Speed of boat in still water = 14 km/hr
Source: SSC MTS 2016 re-exam (held 10-Oct-2017 Shift 1) paper with key+explanations, via prepp.in · reliable-secondary
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