Question

6. An objective test was given to a group of 168 students. It was found that 5/6of the students
gave all correct answers. How many students m
ade 1 or more mistakes?​

Answer 1

i think 139 or 142

Step-by-step explanation:

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Answer 2

Answer:

28

Step-by-step explanation:

168×5/6=140( students give the correct answer)

168-140=28 ( students made one or more mistake)