UPTET Feb 2016,p1; Q112

0. The ratio of age of A and B is 6 : 5 and sum of their ages is 44 yr. After 8 yr, the ratio of their age will be

  • Option : D
  • Explanation : Let the age of A be 6x yr and age of B be 5x yr, respectively.
    According to the question,
    6x + 5x = 44 => 11x = 44
    x = 4
    ∴ The ratio of A and B after 8 yrs
    = (6x + 8)/(5x + 8)
    = (24 + 8)/(20 + 8)
    = 32/28 = 8/7.
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