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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-3

  • question_answer
    A candidate who gets 20% marks in an examination, fails by 30 marks. But if he gets 32% marks, he gets 42 marks more than the minimum pass marks. Find the pass percentage of marks.                                                         

    A)  20%                           

    B)  25%                

    C)                     12%                

    D)         52%                            

    Correct Answer: B

    Solution :

    Let total marks on examination = x. So, minimum passing marks \[=\frac{20}{100}x+30\] \[\frac{20}{100}x+30=\frac{32}{100}x-42\] After solving, \[x=600.\] \[\therefore \]  Minimum passing marks \[=600\times \frac{20}{100}+30=150\] \[\therefore \] Pass percentage marks \[\frac{150}{600}\times 100=25%\]


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