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A standard has 2 sections. The results for 2 exams have been given for each of the sections. What is the number of students in the standard ? Result Number of students per section A B Students passing in Exams A & B 50 36 Students passing in Exam A only 58 39 Students passing in Exam B only 74 45 Students passing in neither exam 80 45

A standard has 2 sections. The results for 2 exams have been given for each of the sections. What is the number of students in the standard ? Result Number of students per section A B Students passing in Exams A & B 50 36 Students passing in Exam A only 58 39 Students passing in Exam B only 74 45 Students passing in neither exam 80 45 Correct Answer 427

Given:

The standard has two sections A and B

Concept:

The total number of students in standard = Student who passed + Student who failled

Calculation:

⇒ The total number of students in a standard = 50 + 36 + 58 + 39 + 74 + 45 + 80 + 45 = 427

∴ The required result will be 427.

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