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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-9

  • question_answer
    A bag contains 25 paise, 10 paise and 5 paise Practice lest Papers coins in the ratio 1:2:3. If their total value is Rs. 30, the number of 5 paise coins is:

    A)  50                               

    B)  100

    C)  150                 

    D)       200

    Correct Answer: C

    Solution :

     \[25x+10y+5z=3000\]      \[x/1=y/2=z/3=n\]      \[25n+10\times 2n+5\times 3n=3000\]       \[(25+20+15)n=3000\]       \[n=50\]       So, \[z=50\times 3=150\]      Option [c] is correct it.


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