Question

In a class, 30 students play cricket, 19 students play tennis and 8 students play both the
games. How many play at least one of these two games?​

Answer 1

Answer:

50=20+15+11−(7+4+5)+{All three}+1850=20+15+11−(7+4+5)+{All three}+18;

{All three}=2{All three}=2;

Those who play ONLY Hockey and Cricket are 7 - 2 = 5;

Those who play ONLY Cricket and Football are 4 - 2 = 2;

Those who play ONLY Hockey and Football are 5 - 2 = 3;

Hence, 5 + 2 + 3 = 10 students play exactly two of these sports.

Step-by-step explanation: