Question

In a number of two digits, one of the digit is greater than other by 5. When the
digits are reversed, the number becomes 3/8
of the original number, find the
original number.
​

Answer 1

Answer:

72

Step-by-step explanation:

Let one digit of the number be x and other be y

According to the question

one digit is 5 more than other so x=y+5------------> 1 equation

2nd case -------------->

Since the number is 2 digits it is in form 10x+y

so according to the question for second case

10y+x=3/8(10x+y)-------------> 2nd equation

solving 1 and 2 we get x=7 and y=2

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