Question

Which term of the sequence is 185?

Answer 1

Answer:

Let 184 be the n th term of the sequence.

a = 3, d = 7-3= 4 

therefore,   184 = a + (n-1) d

                          = 3 + (n-1) 4

184-3 = (n-1) 4

181 = (n-1) 4

n-1 = 181/4

n = 181/4 +1

n = 185/4

However, n should be a positive integer. Therefore, 184 is not a term of the given A.P.

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