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I. x² - 33x + 270 = 0 x² - 18x - 15 x + 270 = 0 x (x – 18) - 15 (x – 18) = 0 (x – 18) (x – 15) = 0 x = 18, 15 II. y² - 41y + 414 = 0 y² - 18y - 23 y + 414 = 0 y (y – 18) – 23 (y - 18) = 0 y = 18, 23 Hence, x ≤y
The speed of a boat in still water is 25 km/hr. If the boat covers 240 km in upstream in 12 hours, then find the time taken by the boat to travel 177 km...
A boy can swim a certain distance downstream in 2 hours and return in 5 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
Speed of a boat in still water to speed of boat in upstream is 9:5. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by ...
The Speed of the ship in calm water is five times the speed of the stream. If the ship can travel 's + 30' km downstream or 's - 10' km upstream in 5 ho...
A steam train covers a certain distance at the same speed. If the steam train had been faster by 8 kilometers per hour, it would have taken 16 hours les...
A boat can cover a distance of 210 km downstream with the current in 5 hours. It takes an additional 2.5 hours to return the same...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 40 minutes to cover 15 km in downstream, then find th...
A man can row at 36 km/hr in still water. In a stream which is flowing at 12 km/hr, it takes him 3 hrs to a place and back. How far is the place?
The speed of boat downstream and upstream is 36 km/hr and 26 km/hr respectively. Time taken to travel a distance of (k + 60) km downstream and (l + 40) ...
Speed of a Motorboat in still water is 75kmph. If the motorboat travels 150 km along the stream in 1 hour 40 minutes, then the time taken by it to cover...
