Question

If you add the digits in a two-digit number and multiply the sum by 7, the you get the original number. If you reverse the digits in the two digit number, the new number is 18 more than he sum if it’s two digit. What is the original number?
42
24
64
46
36

Answer 1

Hello!

Since when you multiply the number by 7 you get the original number the number is a multiple of 7

The only number that is a multiple of 7 is 42

The answer is 42

Hope this helps!