a three digit number 3a5 is added to another 3 digit number 933 to give a four digit number 12b8, which is divisible by 11. then find the value of a+b
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3a5+933 =12b8
so we can write this,
12b8 - 933 = 3a5
its only true when a=0 and b=3
therefore, a+b = 3
so we can write this,
12b8 - 933 = 3a5
its only true when a=0 and b=3
therefore, a+b = 3
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