Question

What are the values of A and B if 72A1501B is divisible by 11 but not by 2.​

Answer 1

****** this given no. not divisible by 2 means it is not even no. so value of B is odd .

firstly if we divide 72A by 11 then quotient is 6 also remainder is 6 if we take value of A is 6 as new no. is 726 which is divisible by 11 in 66 times .

so , value of A is 6

as according to our first assumption that B is odd . so, we divide 72A(6)1501B by 11 .

we get quotient is 660136B and remainder is 5 if we take B =5 then our new no. is 6601365 as if we multiply 6601365by 11 then it is 72A1501B as 72615015.

so value of B is 5 as well as odd .

also the no. 72615015 is divisible by 11 not by 2 .

so the value of A is 6 and of B is 5 .

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