Latest exam Aptitude Question SOLUTION: The mean of 21 test score is 78. What mean score must three additional students acheive so that the mean for all 24 students is 80.

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The mean of 21 test score is 78. What mean score must three additional students acheive so that the mean for all 24 students is 80.: Asked In exam (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: Find an equation of the line. 35) A horizontal line passing through (5/6), 0 Next Question: For the function defined by f(x)=2-x^2, 0<x, find a formula for f ^-1(x).

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