Question

Find the 10th term of sequence: 7, 11, 15, 19, 23, ....?

Answer 1

Answer:

ap = 7, 11, 15, 19, 23, .......

a = 7

d ( common difference ) = 11 - 7 = 4

n = 10

an = a + (n-1)d

a10 = 7 + (10 - 1 )4

a10 = 7 + 9 × 4

= 7 + 46 = 53