Math, asked by harsh78686, 4 months ago

The Sum of two digit number
is 15 The Number abstained
interchanging its digit exeeds the given number is 27. find the number .​

Answers

Answered by yashdilip2
1

Step-by-step explanation:

Let the units digit be x and tens digit be y.

Then, x+y=15 ……….(i)

Given number: 10y+x

Interchanged digits: 10x+y

A.t.Q:-

⇒(10x+y)−(10y+x)=9

⇒10x+y−10y−x=9

⇒9x−9y=9

⇒x−y=1 ………(ii)

Solving (i) and (ii)

x=8, y=7

∴ Two digit number=78.


harsh78686: no its wrong
yashdilip2: no bro
Answered by rajerajeswari85
0

Answer

Let the units digit be x and tens digit be y.

Then, x+y=15 ……….(i)

Given number: 10y+x

Interchanged digits: 10x+y

A.t.Q:-

⇒(10x+y)−(10y+x)=9

⇒10x+y−10y−x=9

⇒9x−9y=9

⇒x−y=1 ………(ii)

Solving (i) and (ii)

x=8, y=7

∴ Two digit number=78.


harsh78686: answer is 69
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