Q21Numerical4 Marks7 Jul 2024
A company opened recruitment for the post of data analyst. candidates have applied for the post. candidates are proficient in Python programming, candidates are proficient in C programming, candidates are proficient in Java programming, candidates are proficient in Python and Java, candidates are proficient in C and Python, candidates are proficient in C and Java and candidates do not know any of the programming languages. Find the number of candidates who are proficient in exactly one of the three programming languages.
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