Question

Find the 27th term of the arithmetic sequence 5 8 11 14

Answer 1

Answer:

Given, 1st term = 5 & c.d = d = 8–5=3

so,

$a_{27} = a + (n - 1)d \\ 5 + (27 - 1)3 = \\ 5 + 26 \times 3 = \\ 5 + 78 = 83$

Ans