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Start learning 50% faster. Sign in nowLet speed of boat in still water and speed of boat in upstream be ‘16x’ km/h and ‘13x’ km/h, respectively. Speed of stream = 16x – 13x = 3x km/h Speed of boat in downstream = 16x + 3x = 19 km/h So, 19x = 228/6 => x = 2 Speed of boat in still water = 16 × 2 = 32 km/h Desired time = 24/32 x 60 = 45 minutes
If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of the given expression?
32 B 40 A 8 C 10 D 12
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