Break 24 into 3 parts that are in A.P, such that product of extreme terms is 4 more than thrice the middle term.
2,8,14
5,10,11
8,8,8
None of these
Let 3 parts be a - d, a, a + d
As their sum = 24
So terms are 8-d, 8, 8+d
Also given
So terms are 2, 8, 14 (for d = 6) or
14, 8, 2 (for d = -6)
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