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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-25

  • question_answer
    Due to 25% fall in the rate of eggs, one can buy 2 dozen eggs more than before by investing Rs. 162. What was the original rate per dozen?

    A)  Rs. 22 

    B)  Rs. 24

    C)   Rs. 27

    D)  Rs. 30

    Correct Answer: C

    Solution :

    Let the former rate be Rs. x per dozen New rate = Rs.\[\left( x\times \frac{75}{100} \right)\,\,\] = Rs.\[\frac{3x}{4}\]per dozen \[\Rightarrow \]   \[\frac{162}{{}^{3x}/{}_{4}}-\frac{162}{x}=2\] \[\Rightarrow \]   \[\frac{216}{x}-\frac{162}{x}=2\] \[\Rightarrow \]   \[2x=(216-162)=54\] \[\Rightarrow \]   x = 27 Original rate = Rs. 27 per dozen.


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