Question

    If Lalitha leaves home and drives to her school at a

    speed of 45kmph, she reaches 5 minutes later than when she drives at 60kmph speed. Find the distance to her school (in km)
    A 18 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 14 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    let the distance from lalita's home to her school be x km. According to question x/45 - x/60 = 5/60 4x - 3x/180 = 5/60 x/180 = 5/60 x = 5x180/60 x = 15

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