If the product of two successive positive integers is 7482.

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RRB TA Exam (Chennai) 2008 click here to view all questions

If the product of two successive positive integers is 7482. Which is the greater integer?

A87

B82

C84

D89

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Answer : 87 Explanation: Given that $x(x+1)=7482$ $x^2+x=7482$ $x^2+x-7482=0$ Solve by quadratic equation  $(x-87)(x+86)=0$ $\therefore x=87 \text{ or } x=-86$ $\because \text{ the integers are positive the negative option is disregarded. So the answer is 87.}$ Nithin K ? answered Dec 4 '2016 at 10:14 All Comments

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