Which of the following is not an AGP?
1, 1, 3/4, 1/2, 5/16.....
Option A and C are clearly AGP
In Option B, terms can be written as 1, 2/2, 3/4, 4/8, 5/16,... so it an AGP
Option D is wrong, as for it to an AGP first term should have been 2.2 (=4)
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