Multiple Choice Questions on A student walks from his house at a speed of 2 1 2 km per hour and reaches his school 6minutes late ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A student walks from his house at a speed of 2 1 2 km per hour and reaches his school 6minutes late ...........

Quantitative Aptitude ( CCS) Time & distance
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    A student walks from his house at a speed of 2(1/2)km per hour and reaches his school 6minutes late. The next day he increases his speed by 1kmph and reaches 6minutes before school time. How far is the school from his home?

    5/4km

    Incorrect Answer

    9/4km

    Incorrect Answer

    7/4km

    Correct Answer

    11/4km

    Incorrect Answer
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    Explanation:

    Solution:
    S1*S2/difference of speed *(( late + early)/60)
    = (5/2 * 7/2)/1 * 12/60= 7/4km

    By: Pranav Gupta
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