2. Sample Papers
  3. Railways

Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-15

  • question_answer
    The fourth proportional to 5, 8, 15 is:

    A)  18                              

    B)  24     

    C)         19                  

    D)         20                  

    Correct Answer: B

    Solution :

    Let the fourth proportional to 5, 8, 15 be x. Then, \[=5:8::15:x\Rightarrow 5x=(8\times 15)\Rightarrow x=\frac{(8\times 15)}{5}=24.\]


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