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    Question

    A truck can usually travel 240 metres in 12 seconds. How

    much distance (in km) can the truck cover in 2 hours if it travels at 110% of its normal speed?
    A 192.2 km Correct Answer Incorrect Answer
    B 158.4 km Correct Answer Incorrect Answer
    C 205.5 km Correct Answer Incorrect Answer
    D 185.8 km Correct Answer Incorrect Answer

    Solution

    ATQ,

    Normal speed of the truck = 240/12 = 20 m/s

    110% of normal speed of the truck = 20 × 1.1 = 22 m/s = 22 × 3.6 = 79.2 km/h

    So, distance travelled in 2 hours = 79.2 × 2 = 158.4 km

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