Question

If n(P U Q) = 29, n(P) = 15, n(P ⋂ Q) = 12, then find n(Q) *
-2
32
2
26​

Answer 1

Answer:

n(P U Q) = n(P) +n(Q) - n(P ⋂ Q)

29 = 15 +n(Q) - 12

29 = 3 n(Q)

n(Q) = 29 - 3 = 26