a number consists of two digits whose sum is 9. if 27 is subtracted form the number the digits are reversed. find the number
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Answer!!!
Let the ones digit be x and the tens digit be y. Original number = 10y + x . And, the number obtained on reversing the digits = 10x + y . ==> 2y = 12 .
See pic for answer,and any doubts.
BTS ARMY!!!
Let the ones digit be x and the tens digit be y. Original number = 10y + x . And, the number obtained on reversing the digits = 10x + y . ==> 2y = 12 .
See pic for answer,and any doubts.
BTS ARMY!!!
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