Which of the following is a well-defined set?

• A set of beautiful sceneries

• As set of good basketball players

• A set of Philippine Presidents

• A set of successful leaders

Given the set of letters in the word "MATHEMATICS", what is the cardinality of the given set?

• 11

• 8

• 6

• 4

Tags

CCSS.2.NBT.A.3

The following is a subset of R = {n, e, w}, EXCEPT?

• {n, e, w}

• {e}

• {o}

• { }

Given A = {I, C, E} and B = {C, O, L, D}, find the A ∪ B.

• {C, O, L, D, I, E}

• {I, E}

• {E}

• { }

Given C= {5, 10, 15, 20} and B = {25}, find the A ∩ B.

• {5, 10, 15, 20, 25}

• {5, 10, 15, 20}

• { }

• {0}

Given E = {pig, goat, cow, horse} and F = {chicken, duck}, find E - F.

• {pig, goat, cow, horse, chicken, duck}

• {pig, goat, cow, horse}

• {chicken, duck}

• { }

A set with no element is an empty set or _____________.

• cardinality set

• null set

• subset

• union of set

If every element in A is also element in B, then A is a ______ of B.

• cardinality set

• subset

• union of set

• universal set

The ___________ is the set that contains all objects under consideration.

• cardinality set

• subset

• union of set

• universal set

The number of elements in the set refers to ____________.

• cardinality set

• subset

• union of set

• universal set