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Let the speed of the boat in still water be ‘3x’ km/h. Speed of the boat in upstream = 3x ÷ 3 = ‘x’ km/h Speed of the stream = 3x – x = ‘2x’ km/h Speed of the boat in downstream = 3x + 2x = ‘5x’ km/h ATQ. (27/30) × 60 = 54 So, 5x = 54 Or x = 10.8 So, speed of the boat in still water = 3 × 10.8 = 32.4 km/h
If A's salary is 60% more than B's salary, then by what percentage is B's salary less than that of A?
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A number is first increased by 25% and then decreased by 25%. If the net change in the number is 187.5, then find the original number.
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A company has 1200 employees, with 45% working in operations, 35% in sales, and the rest in HR. During an appraisal cycle, 20% of the operations employe...
