Q5 of 27 Page 1

Which term of the A.P. 27, 24, 21,…..is zero?

OR


In an Arithmetic Progression, if d = - 4, n = 7, an = 4, then find a.


an=a + (n - 1) d


0 = 27 + (n - 1) (-3)


30 = 3n


n = 10


10th term will be 0.


OR


an = a + (n - 1) d


4 = a + 6 x (-4)


a = 28


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