Guest Posted March 26, 2008 Report Share Posted March 26, 2008 6 9 7 73 67 71 9 19 6 13 8 ? Find the Number which will replace ? Quote Link to comment Share on other sites More sharing options...
0 bonanova Posted March 26, 2008 Report Share Posted March 26, 2008 It may be easier to see this way.... 6 9 7 73 67 71 9 19 6 13 8 ?[/code][spoiler=looks like]15[/spoiler] Quote Link to comment Share on other sites More sharing options...
0 Guest Posted March 26, 2008 Report Share Posted March 26, 2008 6 9 7 73 67 71 9 19 6 13 8 ? Find the Number which will replace ? These triangles are made by multiplying the top and left numbers, then adding the right number to get the middle number. So 7*8+?=71. ? = 15 Quote Link to comment Share on other sites More sharing options...
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Guest
6 9 7
73 67 71
9 19 6 13 8 ?
Find the Number which will replace ?
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