The ararage of 11 number is 10.9. If the avanage of the first six number is Hy 10.5 and that of the last six number is 11.9 then the middle number is-
option:- ( 11 year/11.4year / 11.3 year/ 11.5 years)
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The ararage of 11 number is 10.9. If the avanage of the first six number is Hy 10.5 and that of the last six number is 11.9 then the middle number is-
option:- ( 11 year/11.4year / 11.3 year/ 11.5 years)
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Answer:
11.4 year
Step-by-step explanation:
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