Question

Given set : X = {2, 4, 6, 8, 10, 12, 14, 16, 18, 20}, Y = {x | x is a prime number less than 20}, Z = {3, 6, 9, 12, 15, 18}. Find which of following is considered as universal set for all the three sets given above and why? a)A={2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14} b) B = {x | x is a natural number less than 25} c) C = {x | x is a prime number less than 23}​

Answer 1

Answer:

B= {x|x is a natural number less than 25 }

Step-by-step explanation:

Y = { 2,3,7,11,13,17,19}

Option a and c does not include all the values of x, y and z together bur options b does