Minimum Overlap of Four Sets
CAT 2003 Slot 1 · Data Interpretation & Logical Reasoning · Medium · Set Theory
This is a medium Data Interpretation & Logical Reasoning question from the CAT 2003 Slot 1 paper. It tests Set Theory. The full answer key and a step-by-step explanation are below — try it yourself first, then reveal the solution.
Seventy percent of the employees in a multinational corporation have VCD players, 75% have microwave ovens, 80% have ACs and 85% have washing machines. At least what percentage of employees has all four gadgets?
- A.
15
- B.
5
- C.
10
- D.
Cannot be determined
Answer
C
Explanation
Minimum overlap for sets in percentage: .
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