Selina Concise Class 6 Math Chapter 10 Sets Exercise 10E Solution
EXERCISE 10E
(1) Write the cardinal number of each of the following sets:
(i) 4
(ii) 6
(iii) 0
(iv) 3
(v) 4
(vi) 7
(2) Find:
(i) n(A) = {1, 2, 2, 4, 5, 6, 7, 8, 9} = 9
(ii) n(B) = {p, u, e, t} = 4
(iii) n(C) = {1, 4, 9, 16} = 4
(iv) n(D) = {0} = 0
(3) State true or false for each of the following. Correct the wrong statement.
(i) False; n(A) = 1
(ii) False; n(∅) = 0
(iii) True
(iv) False; n(B) = 4