18.
In a two-digit number, the unit place is twice of ten's place. If digits
interchanged, then new number formed is 18 more than the ori
number. Find the original number.
Answers
Answered by
1
Answer:
sorry i don't understand is this question
Answered by
1
Answer:
Let the tens place digit be x
then units place digit be 2x
The number will be 10x + 2x = 12x
The reversed number is 20x + x = 21x
A.T.Q.
20x + x = 18+ 10x + 2x
21x = 18 +12x
21x-12x = 18
9x = 18
x = 2
The original number is = 12×2 = 24
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