Multiple choice

Ratan's expenditure and savings are in the ratio 5 : 1. If his salary is increased by 25% and savings by 15%, the percentage increase in his expenditure is

  1. 18

  2. 27

  3. 28

  4. 32
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let Exp = 500, Sav = 100, Salary = 600. New Salary = 600 * 1.25 = 750. New Sav = 100 * 1.15 = 115. New Exp = 750 - 115 = 635. Increase = (635 - 500) / 500 = 135 / 500 = 27%.

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