7. In a class of 50 students, 35 students scored grade A in English and 22 students scored grade A in Mathematics. How many students got grade A in both English and Mathematics?
it's question of sets
please solve it in Venn diagram
Answers
Answered by
3
Answer:
In a class of 50 students
35 students scored grade A in English
mathematics=22 students
Now,
35+22=57
therefore 57 students got grade A in both English and mathematics
Answered by
1
Answer:
50=35+22-a(interaction)b
50=57-a(intersection)b
thus,
a()b=57-50
thus answer is seven
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