15 students took a test that was scored from 0 to 100. If exactly 10 students scored 75 of more on the test, find the lowest possible value for the average of the scores of all 15 students.
Created: 6 years ago |
Updated: 2 years ago
best des
Total score of 10 students if scored exactly 75 each = 10×75 = 750
Total score of 5 student if scored minimum or 0 = 0
Total score of 10 + 5 = 15 students = 750 + 0 = 750
Average of the 15 students = 750 / 15 = 50
Md Azizur Rahman
Founder of Satt
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