Question:Two number are in the ration `3 : 5`. If each number is increased by `10`, the ratio becomes `5 : 7`. The numbers are: 

A `3, 5` 
B `12, 20` 
C `15, 25` 
D `18, 30` 

+ Answer
C 

+ Explanation
Let the numbers be `3x` and `5x`.

`(3x + 10)/(5x + 10) = 5/7`

`iff 7(3x + 10) = 5(5x + 10)`

`iff x = 5`.

So, the numbers are `15` and `25`.

+ Report

Md. Habib Ullah

Editor, VCampus

Your Name

Your Email

Type of Report
Spelling MistakeIncorrect AnswerGrammar MistakeContent MissingImproper Text FormatInsufficient AnswerDuplicate QuestionImproper Sentence StructureImproper Equation/FormulaOther

Description