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CBSE Class 10 Maths (Basic) 2023 · Paper 430(B) · Question 36

Arithmetic Progressions 4 marks Medium
A factory is manufacturing cars and is increasing its production by a fixed number every year. The factory produced 80,000 cars in the fourth year and 1,10,000 cars in the seventh year. Based on the above, answer the following questions :
  1. aTaking '' as the number of cars produced in the first year and '' the fixed number by which the production is increasing every year, write a relation between '' and '' for the fourth year.[1]
  2. bWrite the relation between '' and '' for the seventh year.[1]
  3. cSolving the above two equations, find ''. (OR) Solving the above two equations, find ''.[2]

Answer

(a) ; (b) ; (c) (and ).

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