The first seven terms of an arithmetic progression are 7x + 4, 9y, 7z – McqOptions

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1.	The first seven terms of an arithmetic progression are 7x + 4, 9y, 7z + 6, 4x + 10, 3k, 3x + 6 and k + 12. The second fifth and seventh terms of this progression form an infinite geometric progression. The sum of the terms of this geometric progression is:
A.	162
B.	106
C.	126
D.	180
Answer» B. 106

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