Question

The digit at tens place of a two digit number is two times the
digit at its units place. If the digits are interchanged and added
to the original number, then the result will be 66. Find the
original number

Answer 1

Answer:

The original number is 42

Step-by-step explanation:

Check:-

If the original number is 42-----(1)

then,

interchange it's digits i.e., 24-----(2)

Now add equation (1) and (2)

i.e.,

42+24=66

Therefore,

the original number is 42

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