Question

The digit at the tens place of a two digit number is 3 times the digit at the units place.If the digit are reversed ,the new number will be 36 less than the orignal number.Find the number

Answer 1

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Answer 2

Answer:

Let the Number at the units place be x.Tenth place = 3x

Then,

➳ Number = 10(x) + 3x

➳ Number = 10x + 3x

➳ Number = 13x

➳ Reversing Number = 10(3x) + x

➳ Reversing Number = 30x + x

➳ Reversing Number = 31x

According to Question now,

➳ 13x - 31x = -36

➳ -18 = -36

➳ x = -36/-18

➳ x = 36/18

➳ x = 2

Units place = x = 2

Tenths place = 3x = 3(2) = 6

Therefore,

Number = 10(6) + 2 = 60 + 2 = 62