Chapter 2: Sets
1. Cardinal number of set A = {– 2, – 1, 0, 1, 2}
A = {– 2, – 1, 0, 1, 2} అనే సమితికి కార్డినల్ సంఖ్య
(1) 5 (2) 4 (3) 1 (4) 0
Answer: (1)
2. If A = {C, V, I, D, 19, 2020} and B = {C, V, I, D, 19, 2021}, then B – A =
A = {C, V, I, D, 19, 2020} and B = {C, V, I, D, 19, 2021}, అయిన B – A =
(1) {2020, 2021}
(2) {C, V, I, D, 19, 2020}
(3) {2020}
(4) {2021}
Answer: (4)
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