If A= {1,2,3,4,5} then the number of proper subsets of A is____ ক 120 খ 30 গ 31 ঘ 32 If A= {1,2,3,4,5} then the number of proper subsets of A is____ সঠিক উত্তর 31 Bissoy MCQ Team Nov 19, 2024