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Which of the following is a common solution of `3x-= 2` (mod 5) and `4x -= 0` (mod 6) ?A. 9B. 4C. 6D. 3 |
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Answer» Correct Answer - A Given `3x -= 2` (mod 5) `rArr 3x - 2` is divisible by 5. `x - 4` or 9 or 14, or ...........satisfies the above relations. `4x -= 0` (mod 6) `rArr 4x` is divisible by 6. x = 3 or 9 or 15......... Satisfies the above relation. `:.` The common solution of `3x -= 2` (mod 5) and `4x -= 0` (mod 6) is 9. |
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