Ts Polyset 2021 feature image

ts polycet 2021 | Solved Previous Question Papers 2021 Maths

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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