tunmise4real2018 tunmise4real2018

26-02-2024
Mathematics

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In a class of 100 students, if 44 offer Maths 111, 56 offer Chem 111 and 49 offer Phy 113, 18 offer Maths 111 only, 20 offer Phy 113 only and 25 offer Chem 111 only.
a. How many offered at least one course
b. How many offered at least 2 courses
c. How many offered Chem 111 and Phy 113
d. How many offered Chem 111 and Maths 111
e. How many offered Phy 113 and Maths 111

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