In a class of 80 students, 55 students passed in mathematics and 60 passed in chemistry. 10 stu-dents failed in both mathematics and chemistry. (i) Ho

Monjur Alahi

In a class of 80 students, 55 students passed in mathematics and 60 passed in chemistry. 10 stu-dents failed in both mathematics and chemistry.
(i) How many students passed in both the subjects ?
(ii) How many students passed in exactly one of the two subjects ?


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Salim Ahmed Kawsar

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Correct Answer - (i) 45 , (ii) 25

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