Question

1) In an A.P. If a = 200 and d = 50 to find 'n'.​

Answer 1

Answer:

Solution:tn = a+(n-1)d

=200+(n-1)50

Answer 2

Answer:

200 = ( n- 1 ) 50

200 = ( 50n - 50 )

200 = n

therefore the ans is

n = 200