Q. 225.0( 2 Votes )

Candidates

Answer :

Given: Average score of the candidates of all four school is 66

Concept Used:



Explanation:


Let no. of students appeared from school III = x



Given, Average score of all schools = 66





10340 + 55x = 66x + 9768


10340 – 9768 = 66x – 55x


11x = 572


x


= 52


Therefore, no. of candidates appeared from school (III) is 52.


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