Arithmetic Aptitudes › Ratio and Proportion › Question #4771
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QIf (2a + 3b)/(5a - 3b) = 23/5, what is the value of b:a?

ID: #4771 Ratio and Proportion 204 views
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#4771Q ID
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Ratio and ProportionTopic
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  • A 3 : 4 ✔ ✖
  • B 1 : 3 ✔ ✖
  • C 7 : 4 ✔ ✖
  • D 5 : 4 ✔ ✖
Correct Answer

Explanation


(2a + 3b)/(5a - 3b) = 23/5
=> 10a + 15b = 115a - 69b
=> 105a = 84b => 5a = 4b
a/b = 4/5
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