Answers

2015-11-01T22:06:21+05:30
A divided 228 leaving remainder 18
So (228-18) is a multiple of A
or 210 is a multiple of A

Now you need to find biggest two digit factor of 210
210 = 2*3*5*7
biggest two digit factor = 2*5*7 = 70
So A is 70
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