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Ther atio of marks obtained by Rajesh, rakesh annd Ramesh in an exam is 2:4:9. find the marks obtained by Rakesh and Ramesh, if Rajesh scored30 marks

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Ther atio of marks obtained by Rajesh, rakesh annd Ramesh in an exam is 2:4:9. find the marks obtained by Rakesh and Ramesh, if Rajesh scored30 marks in the exam.
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Let us assume that the marks secured by Rajesh, Rakesh and Ramesh to be 2x,4x and 9x respectively. Given that Rajesh scored 230 marks in the exam.
`implies2x=30`
`impliesx=15`
marks scored by Rakesh `=4x=60`
Marks scored by Ramesh`=9x=135`
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