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### Question Asked by a Student from EXXAMM.com Team

** Q 2403345248. ** A student has to opt for `2` subjects out of `5` subjects for

a course, namely, Commerce, Economics, Statistics,

Mathematics I and Mathematics II. Mathematics II can

be offered only if Mathematics I is also opted. The

number of different combinations of two subjects

which can be opted is

**IAS 2015 Prelims **