in a two digit number one digit is twice the other digit if the digit are interchange and added to the original number the sum is 132 . Find the two digit number? (Please answer me as quick as possible)
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Let the tens place digit be x and ones place be 2x
Number formed = 10x + 2x = 12x
Number formed on interchanging the digit
= 2x × 10 + x
= 20x + x
= 21x
Therefore, according to question :
12x + 21x = 132
33x = 132
x = 132/33
x = 4
Therefore , Number = 12x = 12×4 = 48
Or 21x = 21×4 = 84
Both 48 or 84 can be the answer .....
Hope it hell you. .....
Number formed = 10x + 2x = 12x
Number formed on interchanging the digit
= 2x × 10 + x
= 20x + x
= 21x
Therefore, according to question :
12x + 21x = 132
33x = 132
x = 132/33
x = 4
Therefore , Number = 12x = 12×4 = 48
Or 21x = 21×4 = 84
Both 48 or 84 can be the answer .....
Hope it hell you. .....
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