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A car's value depreciates in AP: it was worth Rs 800000 when new and Rs 680000 after 3 years.
Assuming the same yearly drop, after how many years does its value first fall below Rs 400000?

Class 10AP Word ProblemsAlgebra — Sequences
  • A11 years
  • B10 years
  • C9 years
  • D12 years

Step-by-Step Solution

Drop per year . Value after years = . Set < 400000: . So it first falls below at years.
Answer: A) 11 years

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