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Question
Determine the 10th term from the end of the A.P. 4, 9, 14, …….., 254
Sum
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Solution
We have,
l = Last term = 254 and,
d = Common difference = 5,
10th term from the end = l – (10 – 1) d
= l – 9d = 254 – 9 × 5 = 209
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