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Gaurav says 2, 4, 8 are in AP because 4 lies between 2 and 8. Is he right?

Class 10Properties and Selection of AP TermsAlgebra — Sequences
  • AYes, as the numbers increase
  • BNo, because 4 is not odd
  • CNo, because ≠ 2 + 8
  • DYes, as each number is even

Step-by-Step Solution

For an AP, twice the middle term must equal the sum of the outer terms: but 2 + 8 = 10. The gaps 2 and 4 are unequal.
Answer: C) No, because ≠ 2 + 8

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