Chapter 2: Sets
1.Cardinal number of set A = {P, O, L, Y, T, E, C, H, N, I, Q} , B = {P, O, L, Y, C, E, T, 2020}, then B – A =
A = {P, O, L, Y, T, E, C, H, N, I, Q} , B = {P, O, L, Y, C, E, T, 2020}, అయిన B – A =
(1) {20} (2) {2020} (3) {40} (4) none (ఏది కాదు)
Answer: (2)
2. If A = {a} and B = {a, b} , C = {a, b, c}, then A ∩ B ∩ C =
A = {a} and B = {a, b} , C = {a, b, c}, అయిన A ∩ B ∩ C =
(1) {a} (2) {b}
(3) {c} (4) {2021}
Answer: (1)
TS 10th class maths concept (E/M)
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