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Home Questions & Answers Aptitude Mental Ability Question Answers Kajal spends 55% of her monthly income on grocery, clothes and education in the ratio of 4:2:5 respectively. If the amount spent on clothes is INR 5540/-, what is Kajal’s monthly income

    Kajal spends 55% of her monthly income on grocery, clothes and education in the ratio of 4:2:5 respectively. If the amount spent on clothes is INR 5540/-, what is Kajal’s monthly income

  • INR 55400/-
  • INR 54500/-
  • INR 5540/-
  • INR 55650/-
  • INR 55450/-
  • Explanation:

    Let Kajal's monthly income be INR x and the common ratio be y.

    ∴ Amount spent on grocery, clothes and education

    = 4y+2y+5y

    According to question,

    11y=55x/100             ....(i)

    and 2y=5540 ⇒ y = 2770

    By putting the value of y in equation (i), we get,

    11×2770=55x/100
    x=11×2770×100/55

    x= INR 55400/-


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