1.

In the solved problem what is the least possible 3 digit number which is divisible by 11 ?

Answer»

Solution :SINCE the form the number is 60m - 1, where m = 1, 2, 3, .........
but the number (60 m - 1) should also be DIVISIBLE by 11 hence at m = 9 the number becomes 539 which is also divisible by 11. Thus the required number = 539 .


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