Question 109

The difference between the digits of a two digit number is 4 and the digit in the unit’s place is one-third of the digit in the tenth’s place.What is the two-digit number ?

Solution

Let the two-digit number be 'xy'
Given that $$y = \frac{x}{3}$$
x = 3y
And x - y = 4
3y - y = 4
y = 2
x = 6
The required number = 62


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