Multiple Choice Questions on A van complete a certain journey in 18 hour It cover half the distance at 30 km hr and the rest at 6........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A van complete a certain journey in 18 hour It cover half the distance at 30 km hr and the rest at 6...........

Quantitative Aptitude ( CCS) Time & distance
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    A van complete a certain journey in 18 hour. It cover half the distance at 30 km/hr and the rest at 60 km/hr, The distance covered is ?

    540km

    Incorrect Answer

    650km

    Incorrect Answer

    720km

    Correct Answer

    760km

    Incorrect Answer
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    Explanation:

    Solution: 
    Let the length be x km.
    ( x/2 x 1/30 ) + ( x/2 x 1/60) = 18
    => x/60 + x/120 =18
    =>2x+x=18*120
    X=720km.

    By: Pranav Gupta
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