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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-21

  • question_answer
    The discount series 10%, 20%, 40% is equivalent to a single discount of

    A)  50%                

    B)  56.8%

    C)  60%                

    D)  62.28%

    Correct Answer: B

    Solution :

    Single equivalent discount for 10% and 20% \[=10+20-\frac{20\times 10}{100}=28%\] Single equivalent discount for 28% and 40% \[=\left( 40+28-\frac{28\times 40}{100} \right)%\] \[=(68-112)%=56.8%\]


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