In an examination 60% Of students passed in english and 70% students passed in maths,20% students failed in both subjects, 2500 students passed in both subjects. Find out total number of students
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failed in Eng40%
failed maths 30%
failed in both=20
No. of failed students = ( 40-20) +
(30-20) + 20
20+l0 +20 = 50%
No. of passed=50%
Total students = x
X x50/100 = 2500
x = 2500x100/50 = 5000
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