Discussion :: Number Series
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One term in the number series is wrong. Find out the wrong term.
5, 10, 40, 80, 320, 550, 2560
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Answer : Option C
Explanation :
The correct pattern is x 2, x 4, x 2, x 4, .....
So, 550 is wrong and must be replaced by (320 x 2) i.e. 640.
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