Answers

2016-02-21T01:12:46+05:30
The two digit number--> _ _
                   _+_=10
 let the two digit number be 'a'
                   a-18=10
                        a=10+18
                        a=28
therefore, the number is 28
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this is wrong anwer correct answer  is 73 .but i dont know how ? 
srry if if i wasn't of any help
2016-02-21T01:13:40+05:30
Number is 9 and 1 (9+1 =10, 18-9=9).
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