Question
The least number which when divided by 3, 9, 27 and 81
leave remainder 2, 8, 26 and 80 respectively is?ÂSolution
Here the difference of divsiros and remainder is same = 3-2 or 9-8 or 27-26 or 81-80 = 1 so the least number which divided by 3, 9, 27 and 81 leave remainder 2, 8, 26 and 80 = LCM (3,9,27 & 81) - 1 = 81 - 1 = 80.
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