যদি A = {2, 4, 6, 8, 10, 12}, B = {3, 6, 9, 12} এবং C = {5, 10, 15, 20} হয়, তবে (A - B) ∩ C = কত?

প্রশ্ন: যদি A = {2, 4, 6, 8, 10, 12}, B = {3, 6, 9, 12} এবং C = {5, 10, 15, 20} হয়, তবে (A - B) ∩ C = কত?

সমাধান:
দেওয়া আছে,
A = {2, 4, 6, 8, 10, 12}
B = {3, 6, 9, 12}
C = {5, 10, 15, 20}

এখন,
A - B = {2, 4, 6, 8, 10, 12} - {3, 6, 9, 12}
= {2, 4, 8, 10}

∴ (A - B) ∩ C
= {2, 4, 8, 10} ∩ {5, 10, 15, 20}
= {10}