1. Find A U B and A n B in each of the following.
a. A = {4, 8, 12, 16, 20, 24), B = {6, 12, 18, 24, 30}
b. A = {5, 10, 15, 20, 25, 30}, B = {10, 20, 30, 40, 50, 60}
c. A = {x : x is a prime number < 15}, B = {x : x is an even prime number
d. A = {letters of the word MODERN}, B = {letters of the word DOME
e. A = {11, 13, 15, 17, 19, 21}, B = {10, 11, 12, 13, 14, 15, 16, 17}
f. A = {x : X E N, x lies between 3 and 10}, B = {x : x E N, x lies from 3 to 10}
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1) a) A U B = {4, 6, 8, 12, 16, 18, 20, 24, 30}
A n B = {12, 24}
b) A U B = {5, 10, 15, 20, 25, 30, 40, 50, 60}
A n B = {10, 20, 30}
c) A = { 2, 3, 5, 7, 11, 13}
B = {2}
A U B = { 2, 3, 5, 7, 11, 13}
A n B = {2)
d) A U B = {M, O, D, E, R, N}
A n B = {D, O, M, E}
e) A U B = {10, 11, 12, 13, 14, 15, 16, 17, 19, 21}
A n B = {11, 13, 15, 17}
f) A = {4, 5, 6, 7, 8, 9}
B = {3, 4, 5, 6, 7, 8, 9, 10}
A U B = {3, 4, 5, 6, 7, 8, 9, 10}
A n B = {4, 5, 6, 7, 8, 9}
Hope these helps :)
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