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A piece of the given information is incorrect as the number of students 'English and Urdu' is given twice with different numbers. So, we assume, 4 is in Mathematics and Urdu, and 5 is in English and Urdu.
U - Urdu, M - mathematics, E - english
Let the number of students interested in all 3 subjects be .
Then, making its Venn diagram:
Thus, only 3 students are interested in all 3 subjects.
Now, Venn diagram with a = 3: