A) 12
B) 15
C) 13
D) 11
Correct Answer: D
Solution :
Since, 2 digit number is less then 20 so tens digit =1. Let ones digit of the number be x According to question, we have \[1+x=2(1\times x)\Rightarrow 1+x=2x\Rightarrow x=1\] \[\therefore \] Required numbers 11.You need to login to perform this action.
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