QiansChandVande QiansChandVande

27-05-2016
Mathematics

Answered

What answer describes this sequence?

99, 89.9, 78.8, 68.7,...

ANeither arithmetic nor geometric
BBoth arithmetic and geometric
CArithmetic
DGeometric

Verified Answer :

Anonymous Anonymous

27-05-2016

ANeither arithmetic nor geometric

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Ckaranja Ckaranja

01-06-2016

ANeither arithmetic nor Geometric

Explanation:
Since 99-89.9= 9.1, and 89.9 - 78.8 = 11.1, the sequence is not arithmetic.
Like wise 89.9/99=0.908 and 78.8/89.9 = 0.876 makes it not a geomtric sequence

Answer Link

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