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Let Ajay will not appear in JEE exam with probability p = 2 7 , while both Ajay and Vijay will appear in the exam with probability q = 1 5 . Then the probability, that Ajay will appear in the exam and Vijay will not appear is :

1. 9 35
2. 24 35
3. 3 35
4. 18 35

Correct answer: 18 35

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