Question

a' divides 228 leaving a remainder 18. The biggest two-digit value of 'a' is ?explain with detailed steps. kindly

Answer 1

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