In a·n examination 30% of total students failed in English, 40% of students failed in Hindi and 20% in bot'h. Find the percentage of students who passed in both the subjects.
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5
Fail in eng only 10%
Fail in hindi only 20%
Pass in both is 50%
Fail in hindi only 20%
Pass in both is 50%
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8
Answer:
stu pass in eng 70
stu pass in hin 60
stu pass in eng +stu pass in hin = 70 +60 = 130
stu pass in both = 80
stu pass in both = 130-80 = 50
hence percentage of students who passed in both the subjects 50
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