KVPY2014MathematicsSets and Relations
Let X be a set of 5 elements. The number d of ordered pairs (A, B) of subsets of X such that A , B , A B= satisfies :
Options
- A50 d 100
- B101 d 150
- C151 d 200
- D201 d
Correct answer
C. 151 d 200
Step-by-step solution
20+10 6+5[8+6]+10+20=180
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