Bank Math Master১টি পরীক্ষায় এসেছেপ্রশ্ন ৩If set A = {5, 15, 20, 30} and B = {5, 15, 20} which of the following represents (A ∩ B) ?কক) {5, 15, 20, 30}খখ) {20}গগ) {5, 15, 20}ঘঘ) {5, 20, 30}উত্তর দেখুন