Question

15. One of the two digits of a two-digit number is twice the other digit. If you interchange the digital of the
two-digit number and add the resulting number to the original number, you get 66. What is the original
number?
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Answer 1

Answer: original number. - 24

Step-by-step explanation:

For example.

Number 2 is twice of 4

If we interchange the digits - 42

If we add both numbers =24+42

The sum is 66.

So, the original number is 24.