Q 2928756601.    

Assertion : 1111.... 1(up to 90 terms) is a prime number.

Reason : If `\frac {b+c-a}{a}, \frac {c+a-b}{b}, \frac {a+b-c}{c}` are in A.P., then `frac {1}{a}, \frac {1}{b}, \frac {1}{c} ` are also in A.P.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

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