2. Sample Papers
  3. Railways

Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-4

  • question_answer
    A school has three classrooms I, II and III. The ratio of number of students in classrooms I and II is 2 : 3 and that in II and III is 7 : 9. If the total number of students is 124, then number of students in classroom III is

    A)  54                   

    B)  64 

    C)  62       

    D)  72

    Correct Answer: A

    Solution :

    Ratio of students in classes I, II and III. \[=2\times 7:3\times 7:3\times 9=14:21:27\] Sum of ratio 14 + 21 + 27 = 62 \[\therefore \] Number of students in class III \[=\frac{27}{62}\times 124=54\]


You need to login to perform this action.
You will be redirected in 3 sec spinner