# Which term

Here, first term, a = 24

We know that common difference, d = a1 – a. We know that nth term of A.P. , tn = a + (n – 1) d.

To find the nth term, here tn = 3

3 = 24 + (n – 1) (-3/4)

3 – 24 = (n – 1) (-3/4)

-21 = (n – 1) (-3/4)

-21 × = n – 1

28 = n – 1

n = 28 + 1 = 29

t29 of the given A.P. is 3.

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