The sum of a two digit number and the number obtained by interchanging the
digits of the number is 121. If the digits of the number differ by 3, find the
number.
Answers
Answered by
10
Answer:
74
Step-by-step explanation:
10x+y + 10y+x = 121
11 x + 11 y = 121
x+ y = 11 -------------------------(1)
If the digits of the number differ by 3
x-y = 3 ----------------------------(2)
equation- 1+2
2x = 14
x= 7
then y = 4
number= 10× 7+4= 74
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