Question

5. In an exam 70% student passed in English, 65% passed in maths, 25% failed in both the subject.
If 3000 student passed in both subject, then how many students appeared for the exam ?
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Answer 1

Answer:

400

Step-by-step explanation:

Failures in English =>100-70=30

Failures in maths =>100-65=35

Failures in both subjects =>27

Failures in one or both subjects = 100-38=62%

let the total students be x,

xX62100=248

=>x=248X10062=400

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