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Kavita is preparing for an exam. On day 1 she solves 4 questions, and each day she solves 4 more questions than the previous day.
After how many days will she have solved a total of 220 questions?

Class 10Sum of n Terms of an APAlgebra — Sequences
  • A10
  • B12
  • C8
  • D11

Step-by-Step Solution

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Answer: A) 10

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