Posted: 10/29/2008 8:46:16 PM EDT
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I hate these things! Can anyone help?
Each group below contains an arrangement of numbers or letters. Determine the pattern in each group, select the best choice, and click the corresponding circle. #73 Select the next number in the series: 5 10 6 9 7 6 3 8 12 #74 Select which group does not belong: K L M H R S T Q D E F C V W X U #75 Select the next number in the series: 7 11 19 35 38 50 67 73 #76 Select the next letter in the series: E H L Q K Z U W #77 Select the next number in the series: 60 30 20 15 12 13 6 10 4 #78 Select the next number in the series: 298 209 129 58 -4 -13 -93 -66 -57 #79 Select the next letter in the sequence: A F Z U G L T O C X N #80 Select the next letter in the sequence: C A R R S X I Y #81 Select the next number in the series: 16 26 21 31 18 26 33 19 #82 Select which group does not belong: B M S K V S P M G S M P K P M S |
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73) 8 (first number goes up one, second goes down one)
74) KLMH - got it now. 
75) 67 ( 7+4=11 11+8=19 19+16=35 35+32=67) 76) W (letter gaps - first 2, then 3, then 4...) 77) 10 (half the difference each time, round up on decimals) 78) -57 (difference between two numbers minus nine each time) 79) O (4 letters in between each two - add or subtract) 80) S (hard to explain) 81) 26 (add ten, minus 5, add ten, minus 5) 82) BMSK (no P?) Pretty positive about them all except 82. |
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Quoted:
77) 10 (half the difference each time, round up on decimals) You got the correct answer, but that's not why it's correct. The sequence is 60 30 20 15 12 30 = 1/2 of 60 20 = 1/3 of 60 15 = 1/4 of 60 12 = 1/5 of 60 The next number is 10 because 10 = 1/6 of 60 |