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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    Rs. 730 were divided among A, B, C in such a way that if A gets  Rs. 3, then B gets  Rs. 4 and if B gets Rs. 3.50 then C gets  Rs. 3. The share of B exceeds that of C by

    A)  Rs.30  

    B)  Rs.40

    C)  Rs.70  

    D)  Rs.210

    Correct Answer: B

    Solution :

    [b] \[\frac{A}{B}=\frac{3}{4};\,\,\frac{B}{C}=\frac{3.5}{3}=\frac{7}{6}\] \[and\,\,\,A+B+C=730\] \[\frac{3}{4}B+B+\frac{6}{7}B=730\] \[B\left( \frac{3}{4}+1+\frac{6}{7} \right)=730\] \[B=\frac{730\times 28}{73}=280\] \[C=\frac{6}{7}\times B=\frac{6}{7}\times 280=240\] .B exceeds that of C by \[(280-\,240)\] = Rs. 40


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