1.Each student in a class of 40 plays at least one indoor game: chess, carrom and scrabble. 18 play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play scrabble and carrom and 4 play chess, carrom and scrabble. Find the number of students who play (C) chess, carrom but not scrabble. *

A. 2
B. 4
C. 6
D. 8

2.Each student in a class of 40 plays at least one indoor game: chess, carrom and scrabble. 18 play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play scrabble and carrom and 4 play chess, carrom and scrabble. Find the number of students who play (B) chess and carrom *

A. 10
B. 20
C. 30
D. 40

3.What is the union of Set J = {21, 22, 23, 24, 25, 26, 27, 28, 29, 30} and Set C = {22, 24, 25, 26, 34, 43, 56, 78} *

A. {21, 22, 23, 24, 25, 26, 27, 28, 29, 30
B. {21, 22, 23, 24, 25, 26, 26, 27, 28, 29, 30, 34, 43, 56, 78}
C. {21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 34, 43, 56, 78}
D. Null Set


4.What is the intersection of Set J = {21, 22, 23, 24, 25, 26, 27, 28, 29, 30} and Set C = {22, 24, 25, 26, 34, 43, 56, 78} *

A. {22, 24, 25, 26, 28}
B. {22, 24, 26, 34, 43, 56, 78}
C. {21, 22, 23, 24, 25, 26, 27, 28, 29, 30}
D. {24, 25, 26, 27, 28, 34, 43}​