Let p be a prime number other than 2 or 5. One would like w express the vulgar fraction 1//p in the form of a

### Question Asked by a Student from EXXAMM.com Team

Q 1618091809.     Let p be a prime number other than 2 or 5. One
would like w express the vulgar fraction 1//p in the
form of a recurring decimal. Then, the decimal
will be
CDS 2015 Paper-1
A

a pure recurring decimal anci its periocd will be necessarily (p-1)

B

a mixed recurrig decimal and its period will be necessarily (p-1)

C

a pure recurring decimal and its period will be some factor of (p-1)

D

a mixed recurring decimal and its period will be some factor of (p-1)

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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