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QA – Placement Quizzes | Ratio and Proportion | Question 2
  • Difficulty Level : Easy
  • Last Updated : 24 Apr, 2016
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Mark, Steve and Bill get their salaries in the ratio of 2:3:5. If their salaries are incremented by 15%, 10%, and 20% respectively, the new ratio of their salaries becomes:
(A) 8:16:15
(B) 23:33:60
(C) 33:30:20
(D) 21:25:32


Answer: (B)

Explanation: Let their old salaries be 2a, 3a, 5a respectively. Then, their new salaries become:
115% of 2a = 2a x 1.15 = 2.3a
110% of 3a = 3a x 1.10 = 3.3a
120% of 5a = 5a x 1.20 = 6a
So, the new ratio becomes
2.3a:3.3a:6a
Upon simplification, this becomes
23:33:60


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