Question Bank - General Aptitude

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What was the average number of candidates appeared from zone T over all the years together?(approx)

A.
810
B.
815
C.
820
D.
805

Solution:

Given:Data from the table.Formula Used :Average = sum of observations/Total number of observationsCalculation:Total number of candidates appeared in Zone T in all years = 6.6 + 6.2 + 6.4 + 7.8 + 9.9 + 11.8 ? 48.7 Total number of years = 6The average number of candidates = 48.7/6 ? 411? Average number of candidates appeared from zone T over all the years together is 810

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