Question

12, 16, 20, 24, ...... Find 25^th term of this A.P.

Answer 1

The given A.P. is 12, 16, 20, 24, ......

Here, a = 12, d = 16 – 12 = 4

Since t_n = a + (n – 1)d

t₂₅ = 12 + (25 – 1)(4)

= 12 + 24(4)

= 12 + 96

= 108

∴ 25^th term of the given A.P. is 108.