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A natural number x is chosen at random f...

A natural number `x` is chosen at random from the first one hundred natural numbers. The probability that `((x-20)(x-40))/((x-30))<0` is. (A) `1/(50)` (B) `3/(50)` (C) `7/(25)` (D) `9/(50)` (E) `5/(50)`

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