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Question:
A-13
B-23
C-130
D-32
Answer:
13 , 9 , 5 ........... a = 13 d = -4 n-ാം പദം = a + (n - 1)d 10-ാം പദം = a + 9d =13 + 9(-4) = 13 - 36 = -23
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