Question

A number consists of 2 digits. The sum of its digits is 12. The number obtained by interchanging the digits is 36 more than the given number. Find the number.​

Answer 1

Answer:

48

Step-by-step explanation:

let it's digits be x and y

x+y=12---------(1)

number is denoted as 10x+y in algebraic form

10x+y+36=10y+x

10x-x+36=10y-y

9x+36=9y

9y-9x=36

y-x=4-----------(2)

add equation 1 and 2

2y=16

y=8

8-x=4

x=4

original number is 10x+y

10(4)+8

40+8=48

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Answer 2

Step-by-step explanation:

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