1) Ramli leaves P at 1020 hours and drives to Q at a speed of v km/h. He arrives at Q at 1150 hours. Calculate the value of v. v. a) 80 b) 84 c) 85 d) 90 2) The speed of sound in sea water at room temperature is about 1531 m/s. Convert the speed to km/h. Round off the answer to whole number. a) 91 b) 92 c) 5511 d) 5512 3) Kumar is cycling at a uniform speed from his house to Azmadi"s house which is 1.2 km away. Kumar cycles the first 900 m within 75 seconds. Determine the time taken, in seconds, for the remaining distance. a) 40 b) 45 c) 50 d) 55

CHAPTER 9

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