A group or collection of objects is called

If A = {3, 6, 9, 12} and B = {6, 8, 9} then intersection of A and B is

A. {3, 6}

B. {3, 12}

C. {6, 9}

D. {9, 12}

Individual Objects in a set are called

A. element

B. set

C. list

D. None of above

A set with no elements is

A. a subset

B. a universal set

C. a null set

D. a superset

The set of vowels in English alphabet contains elements

A. {a, b, c, d, e, f}

B. {a, e, i, o, u}

C. {p, q, r, s, t}

D. {l, m, n, o, p}

If E= {3, 5, 7, 9, 11, 13, 15} and A = {3, 5, 7} then its complement is

A. {3, 5, 7}

B. {9, 11, 13, 15}

C. {2, 4, 6, 8}

D. None of above