10. Sum of the digits of a 2-digit number is 11. The given number is less than the number obtained by interchanging
the digits by 9. Find the number.
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3
Step-by-step explanation:
Let the digits be x and y
Then,
x+y=11 ------------(1)
Original number=10x+y
Interchanged number=10y+x
According to the given condition,
10x+y=10y+x -9
9x-9y=-9
x-y = -1
y=x+1
Put y in equation 1,
x+x+1=11
2x=10
x=5
Then,
y=x+1
y=5+1
y=6
Number=10x+y
=50+6
=56
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Answer:
Ans is 56 Plz mark me as brainlest
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