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If x is the least positive integer satisfying 100 ≡ x(mod 6), then (2x + 1) is equal to: |
7 5 9 11 |
9 |
The correct answer is Option (3) - 9 $100 \equiv x \pmod{6}$ $100 = 6 \cdot 16 + 4$ $x = 4$ $2x + 1 = 2(4) + 1 = 9$ The value of $2x + 1$ is $9$. |
