find the smallest 5 digit number divisible by 12,15,20 and 25

smallest 5 digit number is 10200....... which is divisible by 12, 15 , 20 ,25...

find L.C.M. of 12 ,15, 20, 25=300 smallest 5 dgt no. =10000. 10000 divided by 300 gives rem.=100 so add 200 to10000 to get 10200 . answer 10200

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