Question

In a two digit number, the units place digit is x .If the sum of digit be 9 then what digit in the tens place

Answer 1

Given :- Units place = x

:- Sum of digits = 9

:- Let The Tens place = y

If x= 1 ;

Then y = 8

If x= 2 ;

Then y= 7

If x=3 ;

Then y=6

If x= 4 ;

Then y=5

x can't be a -ve no.

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