the digit in the tens place of a two digot number is twice the digit in the ones place . if the digits are interchanged then the difference between the two nber is 18
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Answer:
x= 2
Step-by-step explanation:
Let the digit in ones place be x
Therefore digit in tens place is 2x
Therefore no. is = 2x * 10 + x
=20x+x
=21x
Interchanged no. = x*10+2x
=10x+2x=12x
BTP,
21x-12x=18
9x=18
x=2
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