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1) {a, b, c}’ ∩ {e,f, …,w}’ where A’ means complement of A and universe U...

1) {a, b, c}’ ∩ {e,f, …,w}’ where A’ means complement of A and universe U is all lower case alphabets from a to z.

2) Let A = {1, 2, · · · , 10} and B = {1,2,3, a, b, c, d} then   |A   ∪ B|=

3) There are 5 routes from City A to City B, 11 routes from City B to City C and 8 routes from city C to City D. How many different ways for a person to travel from City A to City D via City B and City C?

4) {a, c, b, ∅,} – ({a, b, c, d} – {c, d, e}).

5) power{a, b, c, d} – ({a, b, c} ∪ {b, c, d, e})

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