Question

Find C (U upside down) D.
C: {2, 4, 6, 8, 10, 12}
D: {numbers divisible by 3 from 1 to 12}

Answer 1

nos.divisible from 3:{3,6,9,12}

Answer 2

U upside down means intersection. What you do here is find all numbers present both in C and D and write them as a new result set.

Answer 3

so,{6,12}