Question

From the adjacent diagram n[P(AΔB)] is

Options

• 8

• 16

• 32

• 64

Answer 1

32

Explanation;

Hint:

A – B = {60, 85, 75}

B – A = {90, 70}

AΔB = (A – B) ∪ (B – A)

= {60, 70, 75, 85, 90}

n[P(AΔB)] = 2⁵ = 32