Question
A manufacturer of TV sets produced 600 sets in the third year and 700 sets in the seventh year. Assuming that the production increases uniformly by a fixed number every year, find :(i) the production in the 1st year(ii) the production in the 10th year(iii) the total production in first 7 years
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Text solutionVerified
Solution:
a+2d=600-(1)
a+6d=700-(2)
subtracting equation 2 from 1
4d=100
d=25
putting this value in 1
a=550
=a+9d
=550+9(25)
=775
=7/2(550+770)
=4375
a+2d=600-(1)
a+6d=700-(2)
subtracting equation 2 from 1
4d=100
d=25
putting this value in 1
a=550
=a+9d
=550+9(25)
=775
=7/2(550+770)
=4375
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Question Text | A manufacturer of TV sets produced 600 sets in the third year and 700 sets in the seventh year. Assuming that the production increases uniformly by a fixed number every year, find :(i) the production in the 1st year(ii) the production in the 10th year(iii) the total production in first 7 years |
Answer Type | Text solution:1 |
Upvotes | 150 |