Mathematics
Medium
Question
A student has to opt for 2 subjects out of 5 subjects for a course. Namely commerce, economics, statistics, mathematics 1 and Mathematics 2, Mathematics 2 can be offered only if mathematics 1 has also opted. The number of different combinations of two subjects which can be opted is_________?
A
5
B
6
C
7
✓ Official correct answer
D
18
Community credibility
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A
5
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B
6
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C
7
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D
18
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