If and , where is the greatest integer less than or equal to , then the number of…

MATHEMATICS · Single correct · AoPS · Mathematics · Special Functions · Special Functions

Problem

If 0<x<10000<x<1000 and ⌊x2⌋+⌊x3⌋+⌊x5⌋=3130x\left\lfloor\frac{x}{2}\right\rfloor+\left\lfloor\frac{x}{3}\right\rfloor+\left\lfloor\frac{x}{5}\right\rfloor=\frac{31}{30}x, where ⌊x⌋\lfloor x\rfloor is the greatest integer less than or equal to xx, then the number of possible values of xx is (1) 32 (2) 33 (3) 34 (4) None of these

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