Write the set of letters of the following words in Roster form
ASSESSMENT

Write the set of letters of the following words in Roster form
PRINCIPAL

Write all the subsets of A = {a, b}.

Insert the appropriate symbol \(\subseteq \) or \(\nsubseteq \) in each blank to make a true statement.
{10, 20, 30} ____ {10, 20, 30, 40}

Insert the appropriate symbol \(\subseteq \) or \(\nsubseteq \) in each blank to make a true statement.
{p, q, r} _____ {w, x, y, z}

Find the number of subsets and the number of proper subsets of a set X = {a, b, c, x, y, z}.

If A = {1, 2, 6} and B = {2, 3, 4} , find A∪B.

If A = {–3, –2, 1, 4} and B = {0, 1, 2, 4}, find
(i) A – B
(ii) B – A.

If A = {6, 7, 8, 9} and B = {8, 10, 12}, find A Δ B.

From the given Venn diagram, write the elements of

(i) A
(ii) B
(iii) A – B
(iv) B – A
(v) A′
(vi) B′
(vii) U