>>>>>>>>>>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...
>>>
>>>That is your interpretation
>>>
>>>
>>>The question was - how do you get to 40 ?
>>
>>Found this by googling "3 + 6 = 21"... http://www.bhavinionline.com/2016/04/fun-maths-riddle-1-4-5-8-11/
>>or this: http://www.telegraph.co.uk/education/2016/04/22/this-maths-problem-has-thousands-of-people-baffled-can-you-work/
>
>
>Bill's question was - how do people get to 40 - which I answered
>
>The question was not whether 40 was the correct answer ...

ah... I see...