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Shortcut used: Convert average into total first; most average questions are total questions.
Solve in 3 steps:
- Write average and count.
- Find total = average x count.
- Adjust total if values are added/removed/replaced.
Common mistake: Do not update the average without updating the total.
Question 5
Multiple Choice Question
Question
In a Average practice set, a student answers 18 questions correctly out of 24. What percentage is correct?
Explanation
Correct Answer: C
ANSWER
Correct Answer: C
Method / Topic: Average
Correct percentage = 18/24 x 100 = 75%.
Why this answer is correct
The answer follows from total divided by number of values.
Short Explanation
Correct percentage = 18/24 x 100 = 75%.
Detailed Explanation
Question
In a Average practice set, a student answers 18 questions correctly out of 24. What percentage is correct?
ANSWER
Correct Answer: C
Method / Topic: Average
<p><strong>Question:</strong> Find the percentage of correct
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Question 5
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Learn + solve
Shortcut used, common trap, and the fastest solving route
Shortcut used: Convert average into total first; most average questions are total questions.
Solve in 3 steps:
- Write average and count.
- Find total = average x count.
- Adjust total if values are added/removed/replaced.
Common mistake: Do not update the average without updating the total.
Question
In a Average practice set, a student answers 18 questions correctly out of 24. What percentage is correct?
Explanation
Correct Answer: C
ANSWER
Correct Answer: C
Method / Topic: Average
Correct percentage = 18/24 x 100 = 75%.
Why this answer is correct
The answer follows from total divided by number of values.
Short Explanation
Correct percentage = 18/24 x 100 = 75%.
Detailed Explanation
Question
In a Average practice set, a student answers 18 questions correctly out of 24. What percentage is correct?
ANSWER
Correct Answer: C
Method / Topic: Average
<p><strong>Question:</strong> Find the percentage of correct
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Concept tagged
demo-seed
original
flow-test
quantitative-aptitude
average
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