The production of TV sets
actory increases uniformly by a fixed number every year.
It produced 8000
sets in 6th year, and 11300 in 9th year.
Find the production in (i) first year (ii) 8th year (iii) 6 years.
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Answer:
a+5d = 8ooo
a+9d=11300
5d = 3300
d= 3300/5
d=660
1st year = a+5(660)=8000
a=8000-3300
a= 4700
8th year = an = a+(n-1)d
4700+(8-1)660
4700+4620
=9320
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