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Calculate and Answer

This is a discussion on Calculate and Answer within the Brainteasers forums, part of the Brain Gym category; Can you find the next number following the numbers given below? 77, 49, 36, 18, ?...


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  #1 (permalink)  
Old 08-14-2006
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Calculate and Answer
Can you find the next number following the numbers given below?
77, 49, 36, 18, ?
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Old 09-12-2006
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Re: Calculate and Answer
Is the answer is 15?

differences between two consecutive numbers in the sequence are

28,13,18...and diff between 28 and 18 is 10 and hence i deduct 10 from 13 i got 3 and i deduct 3 from 18 which is the last number in the sequce.

Please confirm this

-- James.
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Old 09-16-2006
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Re: Calculate and Answer
James I also got the same result. Hope our solution is right.Christia has to confirm our answer.
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Old 03-05-2008
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Re: Calculate and Answer
no u r wrong ans is 8
7*7=49,4*9=36,3*6=18,1*8=8
am i right
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Old 03-16-2008
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Re: Calculate and Answer
coool...you must be right RAVI TCS.

Great Thinking...
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Cheers,
:) James:)
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Old 03-26-2008
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Re: Calculate and Answer
8 is the next number
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