Question

a.p 2,4,6...248 find nth term

Answer 1

use this formula
an=a+(n-1)d

here a=2 d=4-2=2 and an=248
now,
248=2+(n-1)×2
248-2=(n-1)×2
246=(n-1)×2
246÷2=(n-1)
123=n-1
n=124

Answer 2

See the attached file