etic progression. if the common4 and the 10th term 8, theIn an arithme – InterviewSolution

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1.

etic progression. if the common4 and the 10th term 8, theIn an arithmeticfirst term of the progression wi(i) 一40(iii) 28(b)(ii) 20(iv) 36

Answer»

Solution:(iii) 28

Explanation:Comman difference = -4nth term of the A. Pan = a + (n - 1)d10th term = -8=> a + 9d = - 8=> a - 36 = - 8=> a = 36 - 8 = 28

First term is 28

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