Question

In a two digit number the unit's digit is P and the ten's digit is r. Gind the number​

Answer 1

Answer:

Suppose our number is 53.It has 3 at units digit and 5 as tens digit

So 53 can be written as 10×5+3

Similarlly any 2 digit number say 'yx' with x at units digit and y as tens digit which can be written as 10x+y

Another approach is say our number is yx then by dividing it with 10 we get remainder x and quotient as y

So we know that dividend=divisor×quotient+remainder

So xy=10×y+x

Step-by-step explanation:

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