Answers

2015-01-24T18:39:40+05:30
Let the tens digit be x then unit digit = x+2
 now a.t.q

(11x+2)(2x+2)=144
22x²+26x+4=144
11x²+13x+2-72=0
11x²+13x-70
11x² 35x-22x -70=
x(11x+35) -2(11x+35)=0
therefor x=2or x=-35/11
since digit can't be negative
x=2
then number is  24

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