Question

The set P = {x:x is a two digit number and sum of whose digits is 6},written in roster form is:

• A. P = {15, 24, 33, 42, 51, 60}
• B. P = {24, 42}
• C. P ={60, 61, 62 ----- 69}
• D. P ={15, 51}

Answer 1

The correct option is A

P = {15, 24, 33, 42, 51, 60}

In roster form, all the elements of a set are listed, the elements are being separated by commas and are enclosed within braces { }.