By adding the same constant to each of 31, 7, 1 a geometric progression results. The common ratio is :

By adding the same constant to each of 31, 7, 1 a geometric progress

1.	By adding the same constant to each of 31, 7, 1 a geometric progression results. The common ratio is :
A.	13
B.	12
C.	None of these
Answer» E.

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By adding the same constant to each of 31, 7, 1 a geometric progression results. The common ratio is :

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