Question

Which term of the term of AP : 7,13,9....is 205 ?

Answer 1

205 = 7+ ( n-1)*6

=>198 = (n-1 )*6

n = 34.

hope it helps!!!

Answer 2

HEYA!!!!

Here is your answer :

Given,

a = 7

d = a2 - a1

d = 13 - 7

d = 6

an = 205

a + ( n - 1 ) d = 205

7 + ( n - 1 ) 6 = 205

7 + 6d - 6 = 205

1 + 6n = 205

6n = 205 -1

6n = 204

n = 204/6

n = 34

Therefore, 205 is 34th term of AP...

HOPE THIS HELPS U.