An investigator interviewed 100 student to determine their preferences for the three drinks , Milks (M), coffee (C) and Tea (T). He reported the following:10 students had all the three drinks M,C,T, 20 had M and C , 30 had C and T, 12 had M only, 5 had C only and 8 had T only Hence 80/k did not take any of the three drinks ? so find the integral value of k?

Explanation

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