I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Thursday, January 20, 2011
Can You Solve the Pattern
Labels: brain teaser
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this is a hard one....ummm is the answer 11?ReplyDelete
is the answer 3?ReplyDelete
Column c = (column A * column B) - 20
You got it anonymous. The pattern is A*B - 20 = C. So the first row is 7*4 - 20 = 8. The second is 3*9 - 20 = 7. The third is 6*5 - 20 = 10. So that means the last row, "?*8 - 20 = 4" indicates the missing number is 3.ReplyDelete
Is there another pattern where the answer is 11? I would guess it's possible, but I'm not seeing it.