Multiple choice

Two years ago, Mahesh's salary was one-third of Mohan's salary. Each year, their respective salaries increase by 20% and 10%. What approximate percent of Mohan's current salary is Mahesh's current salary?

  1. 30%

  2. 40%

  3. 45%

  4. 48%

  5. 55%
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B Correct answer
Explanation

Let Mahesh's salary be M and Mohan's be N two years ago. M = 1/3 N. After two years of growth, Mahesh's salary is M * 1.2 * 1.2 = 1.44M. Mohan's is N * 1.1 * 1.1 = 1.21N. Since N = 3M, Mohan's current salary is 1.21 * 3M = 3.63M. The ratio is 1.44M / 3.63M, which is approximately 39.6%, rounding to 40%.

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