When X is subtracted from the numbers 9, 15 and 27, the remainders are in continued proportion. What is the value of X?

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BANK PO Exam (Ibps Bank) 2012 click here to view all questions

When X is subtracted from the numbers 9, 15 and 27, the remainders are in continued proportion. What is the value of X?

A8

B6

C4

DNone of these

Nithin ? undefined

Correct answer is: None of these

Explanation:

\(\Large \frac{9-x}{15-x}=\frac{15-x}{27-x}\)

\(\Large 243 - 9x - 27x + x^{2}\)

\(\Large 225 - 30x + x^{2}\)

\( 6x = 243 - 225 = 18\)

\(x = 3\)

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Correct answer is: None of these Explanation: \(\Large \frac{9-x}{15-x}=\frac{15-x}{27-x}\) \(\Large 243 - 9x - 27x + x^{2}\) \(\Large 225 - 30x + x^{2}\) \( 6x = 243 - 225 = 18\) \(x = 3\) Nithin ? answered undefined All Comments

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