The average marks of 20 students was 45. If the marks of 10 students were taken as 40 in place of 50, find the correct average.
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33.1
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given
a The average marks of 20 students was 45. 40 in place of 50,
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Answer:The average marks of 20 students was 45. If the marks of 10 students were taken as 40 in place of 50, find the correct average.
Step-by-step explanation:
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