An algebra problem by anweshan bor

Algebra Level 1

Complete the series: 576, 324, 144, 36, ?


The answer is 0.

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Anweshan Bor by anweshan bor , 21, India

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2 solutions

Parveen Soni
Nov 24, 2014

Another solution is
576-324=252=36x7
324-144=180=36x5
144-36=108=36x3
36-?=36x1 hence ?=0


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Subhag Gupta
Nov 24, 2014

If we square root all of these we get- 24,18,12,6. So the common difference is -6 .Hence the next number would be 0. Simple! ;)

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