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The first term of an A.P is equal to thrice the common difference, what is...

Mathematics
NECO 2004

The first term of an A.P is equal to thrice the common difference, what is the sixth term of the A.P, if the common difference is 8?

  • A. 64
  • B. 48
  • C. 43
  • D. 24
  • E. 11
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Correct Answer: Option A
Explanation

first term[a] = 3 * d → 3 * 8 = 24

sixth term of the A.P = a + 5d → 24 + [5 * 8]

⇒  24 + 40 = 64


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