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1. The product of two successive numbers is 8556. What is the smaller number?
(A): 89
(B): 94
(C): 90
(D): 92
(E): None of these
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By: anil on 05 May 2019 01.28 am
Let the two successive positive integers be $$(x)$$ & $$(x + 1)$$ Acc to ques, => $$(x) imes (x + 1) = 8556$$ => $$x^2 + x - 8556 = 0$$ => $$x = frac{-1 pm sqrt{(1^2) - (4 imes 1 imes -8556)}}{2}$$ => $$x = frac{-1 pm sqrt{34225}}{2}$$ => $$x = frac{-1 pm 185}{2}$$ => $$x = 92 , -93$$ Since the numbers are positive, => $$x = 92$$ $$ herefore$$ Smaller number =
92
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SBI Clerk 2shift 19 Aug 2007
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