Question

Question No.1 )

In an examination 150 students secured first class in English and mathematics. 115 students secured first class in mathematics . How many students secured first class in English only ??



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Answer 1

The number of students who secured first class in English only is 35 students.

Set notation

Sets are represented using Venn diagrams.

According to the information given:

• Total number of student n(U)= 150
• Number of students that secured first class in Math n(M) = 115

Number of students that secured English only = n(U) - n(M)

Number of students that secured English only = 150 - 115

Number of students that secured English only = 35

Hence the number of students who secured first class in English only is 35 students.

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