what is the least number divided by 16 ,25,20 leave remainder 4 but divided by 7 leave no remainder
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L.C.M. of 16, 18, 20, 25 = 3600. Required number is of the form 3600+ 4 leaves remainder 4 when divided by 4. But the answer also require no remainder when divided by 7. The least value of k for which 3600k +4 is divisible by 7 is k = 5.
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