11 and 23 are the answers.
Step-by-step explanation:
Multiple of 2 increase 1 =
[tex]3,5,7,9,11,13,15,17...[/tex]
Multiple of 3 increase 2 =
[tex]5,8,11,14,17...[/tex]
Multiple of 4 increase 3 =
[tex]7,11,15,19...[/tex]
Here, we can see the smallest number is 11
There are more numbers having this property such as 23.
[tex]23 \div 2 = 11...1[/tex]
[tex]23 \div 3 = 7...2[/tex]
[tex]23 \div 4 = 5...3[/tex]
