Question

In a 2-digit number, digit in units place is twice the digit in tens place. If 27 is added to it, digits are reversed. Find the number.​

Answer 1

Step-by-step explanation:

let the digit of 10th place be x

so the digit of unit place is 2x

original no.

10x+2x=12x

reversed number =21x

according to condition,

21x=12x+27

21x-12x=27

9x=27

x=3

so the number is 12x=12*3=36

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