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600 students took the test on physics and chemistry. 35% students failed in physics and 45% students failed in chemistry and 40% of those who passed in ch
600 students took the test on physics and chemistry. 35% students failed in physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in physics, then how many students failed in both:
- Option 1)
162
- Option 2)
138
- Option 3)
60
- Option 4)
none
- Option 5)
120
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