Find the average marks of those who failed

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Reference no: EM131246829

1. The average age of 40 students entering B.A. (Honours) Economics first year in a college was 19 years. Out of this only 25 students passed the third year examination. If the average age of these 25 students is 22.5 years, find the average age of the remaining students.

2. Fifty students took a test. The result of those who passed the test is given below:

If the average marks for all the 50 students was 5.16, find the average marks of those who failed.

Reference no: EM131246829

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