In an examination 80 students secured
first class marks in Physics or
Mathematics. Out of these, 50
students obtained first class marks in
Mathematics and 30 students in
Physics and Mathematics both. How
many students secured first class in
Physics only ?
Answers
Answered by
1
Answer:
Given,
No of students secured first class marks in Physics or Mathematics=80
No of students obtained first class marks in mathematics=50
No of students obtained first class marks in Physics and Mathematics both=30
No of students secured first class in Physics only ? ?=x
x+x=30
2x=30 =x=15
no of students secured first class in
Physics only =15.
Answered by
0
Answer:
The answer is 15
Step-by-step explanation:
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