1.

5. I have a two digit number. The first digit is the secondmultiple of 4. When the two digits are added, the sum isthe third multiple of 4. What is my number?

Answer»

Let the no be 10y+xy=4x......110y+x+10x+y=11011x+11y=110x+y=10.......2From 1 and 2x=2 and y=8Therefore the no is 10(8)+2=82



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