Question

Find the cardinal number of the following sets: (i) M = {p, q, r, s, t, u}
(iv) R={x : x is an integer, x ∈ ℤ and -5≤x​
x<5}
(v) S= The set of all leap years between 1882 and 1906.

Answer 1

Answer:

1. Clearly n(M) = 6

2. P = { 2, 5 , 8, 11, 14 }

since P contains 5 elements n(P) = 5

3.Q = {243, 768, 1875 }

since Q contains 3 elements n(Q) = 3

4.R = { -5, -4, -3, -2, -1, 0, 1, 2, 3, 4}

since R contains 10 elements n(R) = 10

5. S = { 1884, 1888, 1892, 1896, 1904}

since S contains 5 elements n(S) = 5

I hope this answer helps you

Answer 2

Answer:

i) n(M)= 6

iv) n(R)= 10

v) n(S)= 6

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