Aptitude question

Question

If the ratio of x and y is a and that of ratio of y and x is b then what can be said about the value of (a+b)

solved 0
Quantitative Ability Suhani 3 months 1 Answer 70 views 0

Answer ( 1 )

  1. Here, (x/y) = a

    (y/x) = b

    Multiplying both, we get

    ab = 1

    Now,

    Since AM >= GM

    So,

    (a+b)/2 >= √(ab)

    => (a+b)/2 >= 1

    => (a+b) >= 2

     

    Best answer

Leave an answer

Browse