Find the 4th term of an A.P, whose first term is 2 and the common difference is 0.5

  • A 0.5
  • B 2.5
  • C 3.5
  • D 4
  • E 4.5
waec 1990mathematics

The correct answer is C. 3.5

\(U_{n} = a + (n - 1)d\)

\(U_{4} = 2 + (4 - 1) \times 0.5\)

= \(2 + 1.5\)

= 3.5

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