ICSE Class 9 Answered
Please solve this
Asked by aastharoy997 | 17 Apr, 2020, 10:50: AM
Expert Answer
Q: In an examination conducted among 13 students, the average of their score was 60. The top 7 scores have an average of 66 whereas the least 7 scores have an average of 54. Find the 7th highest score.
Solution:
Let the scores of the students be a1, a2, a3, a4, ...., a13 which are arranged in the descending order, which means a1 is the highest and a13 is the lowest.
According to the first condition,
Answered by Renu Varma | 17 Apr, 2020, 12:05: PM
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