Question

In two digit number ,product of digits is twice the sum of digit then number is ____________

Answer 1

Answer:

perfect number...... i think

Answer 2

1) Let ab be two digit number.

Now,

a.b=2(a+b)

2) Here by observation the values of a & b will be

a= 4 & b=4

And verifying above equation

4.4 = 2( 4+4 )

16=16

3) So , the two digit number is " 44 ".