sum of the digit of a two digit number is 11. the given number is less than the number obtained by interchanging the digits by 9. find the number.
Answers
Answered by
1
Answer:
it would be 56=5+6=11
hope it helps
Answered by
1
Answer: 56
Step-by-step explanation:
Sum of digits is 11 so
Let units place be x and tens place be y
x+y=11
x=11-y
10x+y+9=10y+x
Put x=11-y
10(11-y)+y+9=10y+11-y
110-10y+9=9y+11
108=18y
y=6
Put y=6 in x=11-y
x=5
No.=56
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