24-01-2015
Mathematics

Answered

'2aa4b' is a 5 digit number and when its divided by '36' it gives '11' as remainder. What is the sum of the values 'a' can have.

Answer :

29-01-2015

The only 5-digit numbers that do the job are 21,143 and 28,847 .

So, either
a = 1 and
b = 3

or
a = 8 and
b = 7 .

The sum of the values that 'a' can have is (1 + 7) = 8 .

I shall cherish every one of your generous 5 points.

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