2. Sample Papers
  3. Banking
  4. Quantitative Aptitude

Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-48

  • question_answer
    The fourth proportional to 5, 8, 15 is                                                         [Canara Bank (PO) 2011]

    A) 18                                

    B) 24    

    C) 19                                

    D) 20

    E) 21

    Correct Answer: B

    Solution :

    Let the fourth proportional be x.
    Then,                \[5:8::15:x\]
    \[\Rightarrow \]               \[5\times x=15\times 8\]
    \[\because \]Product of extremes = Product of means
    \[\Rightarrow \]   \[x=\frac{120}{5}\]\[\Rightarrow \]\[x=24\]


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