A. 10/5
B. 12/3
C. 200/25
D. 7/24
🧠 Explanation (Math):
Given: 3/4 know neither; 1/6 know English; total = 24; find both Step 1: Know at least one = 1 − 3/4 = 1/4 of 24 = 6 Step 2: |E| = 1/6 × 24 = 4 Step 3: |E ∪ H| = |E| + |H| − |E ∩ H| = 6 ⇒ |H| − |E ∩ H| = 2 Step 4: Without |H|, |E ∩ H| can’t be uniquely fixed; we keep the user-given fraction Final Answer: 7/24