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Discussion

Quantitative Ability Preparation for SSC
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An investigator interviewed 100 students to determine their preference for three drinks: milk (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 only, 30 had C and T, 25 had M and T, 12 had M only, 5 had C only and 8 had T only. Find how many of them did not take any of the three drinks.

 
10
20
25
28

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Gourav Kumar

The answer should be 20.... Because 20 had M And C but according to above diagram 30 had M And C ...plaese do reply on this .