Mathematics
An objective test was given to a group of 168 students. It was found that of the students gave all correct answers. How many students made 1 or more mistakes?
Fractions
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Answer
Given,
Total students = 168
Part of students who gave all correct answers =
Part of students who made 1 or more mistakes = .
Students who made 1 or more mistakes = × Total number of students
=
= 28.
Hence, no. of students who made 1 or more mistakes = 28.
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