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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-34

  • question_answer
    \[{{(0.04)}^{-1.5}}\]on simplification gives

    A)  25       

    B)         125

    C)  250     

    D)  625

    Correct Answer: B

    Solution :

    \[{{(0.04)}^{-1.5}}={{\left( \frac{4}{100} \right)}^{-1.5}}\]   \[={{\left( \frac{1}{25} \right)}^{-1.5}}={{\left( \frac{1}{25} \right)}^{-\,\,\frac{3}{2}}}\]   \[=\frac{1}{{{(5)}^{-3}}}={{(5)}^{3}}=125\]


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