>>>>>>Several people answered 40
>>>>>>I can get 52 or 96, but not 40.
>>>>>>What am I missing?
>>>>>
>>>>>
>>>>>It's easy, Bill
>>>>>
>>>>>On each row, the number on the right = the sum of two numbers on the left added to the number on the right above
>>>>>
>>>>>So,
>>>>>
>>>>>2nd row : 2 + 5 + 5 = 12
>>>>>3rd row: 3 + 6 + 12 = 21
>>>>>4th row: 8 + 11 + 21 = 40
>>>>
>>>>Why is 4th row 8+11, rather than 7+10 (Or Marcia's 4+7) ?
>>>>I know I am getting old but still do not see it :-)
>>>
>>>You have to go back to the original message from Bill - and actually click on the picture -
>>>Then you will see the 4th row
>>
>>The 4th row is really the 8th row if you follow the pattern... you're missing 4,5,6,7, so the answer should be 96: 8 + 11 + 77...
>
>If and only if there is such pattern - and 4, 5, 6 and 7 were not in

Yes but the puzzle implies it.... they do this all the time in IQ tests...