Subject

    Quantitative Aptitude

    Topic

    Clock

    Find at what time between 8 and 9 o'clock will the hands of a clock be in the same straight line but not together ?

    ক)
    100/11 min past 8
    খ)
    120/11 min past 8
    গ)
    90/11 min past 8
    ঘ)
    80/11 min past 8

    Explanation

    In this type of problems the formulae is (5x−30)×1211\left(5x-30\right)\times\frac{12}{11} x is replaced by the first interval of given time Here i.e 8 (5×8−30)×1211\left(5\times8-30\right)\times\frac{12}{11} = 12011\frac{120}{11}min Therefore the hands will be in the same straight line but not together at 12011\frac{120}{11} min.past 8.

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