Sum of digits of a two digit number is 11. the number obtained by interchanging the digits exceeds the original number by 9, find the number
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47 is your answer
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please mark as brainlist
Ayush0908:
wrong answer
The answer is 56
oh
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The number is 56
Let the 2 digit number be 10x+y
x+y=11. --------i)
10y+x = 10x+y+9⇒9y-9x=9 ]÷9
y-x =1. ---------ii)
From both the equations,
y=6, x=5
So, the number is 56
Let the 2 digit number be 10x+y
x+y=11. --------i)
10y+x = 10x+y+9⇒9y-9x=9 ]÷9
y-x =1. ---------ii)
From both the equations,
y=6, x=5
So, the number is 56
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