100 students fails the final examination ( comprised of math, chemistry, physics and literature). 70 students fail

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100 students fails the final examination ( comprised of math, chemistry, physics and literature). 70 students fail

in math, 75 students fail in chemistry, 85 students fail in physics , 85 students fail in literature, and x students fail in all the four subjects. What is the minimum value of x?

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100 students fails the final examination ( comprised of math, chemistry, physics and literature). 70 students fail

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