out of 115000 students 20% failed in SLC, 40% failed in science only and 35% failed in mathematics only. but 5% failed in other subjects. Find how many students failed in both subject?
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Step-by-step explanation:
Let us take the total number of students giving the exam be 100.
Let A=Number of Students that failed in
Maths=45
Let B-Number of Students that failed in Science=30
Now, A can contain the number of students that failed in Science as well.
Similarly, B can contain the no. of students that failed in Maths as well.
Hence, Subtract the common part in both them.
Therefore, Failures in only Mathematics-45-25-20
Also, Failures in only Science-30-25=5
Total No. Of Failures-20+5=25
Total No. Of Approved Students=100-25-75
%age of Approved Students=75%
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