2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-8

  • question_answer
    Two number are in the ratio 7:11. If 7 is added to each of the numbers, the ratio becomes 2:3. The smaller number is

    A)  39                   

    B)  49

    C)  66                   

    D)  77

    Correct Answer: B

    Solution :

    [b] Let the numbers be 7x and 11 x respectively. \[\therefore \,\,\,\frac{7x+7}{11x+7}=\frac{2}{3}\] \[\therefore 22x+14=21x+21\] \[\Rightarrow x=7\] \[\therefore \] Smaller number =\[7x=7\times 7=49\]


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