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A worker's wages increase in AP each year.
In year 5 he earns Rs 22000 and in year 8 he earns Rs 28000.
Find his year-1 wage.

Class 10AP Word ProblemsAlgebra — Sequences
  • A28000
  • B12600
  • C14000
  • D15400

Step-by-Step Solution

a8 - a5 = 3d = 28000 - 22000 = 6000, so d = 2000. a5 = a + 4d = 22000 gives a = 22000 - 8000 = 14000.
Answer: C) 14000

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