Question

In Class XII examination 55% students passed in biology, 62% passed in physics, 60% passed in chemistry. 25% passed in physics and biology, 30% passed in physics and chemistry, only 2% passed in 28% biology and chemistry failed in all subjects. What percentage of students passed all three subjects?​

Answer 1

I don't know but i answer this question later

Answer 2

just 15% passed in all three subjects