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4 March, 15:36

What is the least number that must be added to 2000so that the sum is devided exactly by 10,12,16 and 18

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  1. 4 March, 15:52
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    10 = 2.5; 12 = 2².3; 126 = 2^4; 18 = 2.3²

    the least common multiple is 2^4.5.3 = 240

    then we have (2000 + x) = 240. k

    2000 = 240.8 + 80 and 240.9 = 2160

    then x = 160
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