Puzzle 5
Combine the word fragments below to produce pairs of words that have opposite meanings. There are 9 pairs of words, one pair on each line.
For example, USE REF EPT ACC becomes ACCEPT + REFUSE.
AB ANT RCE SCA UND
WA RY RD BR ICE CO AVE
ETY NG SAF ER DA
ACT AND CO EXP NTR
WN US UNK NO MO FA
TR TE IBU HER GAT DIS
CAL HO RI RTI TAL VE ZON
TIO AL CID EN ENT INT NAL AC
OWL OR KN IGN GE ED CE AN
Puzzle Copyright © Elliott Line
This puzzle appeared in Mensa's EnigmaSig (194.21) and is used with permission.
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Puzzle 6
A Proof That 2 = 1. Let A = B:
A = B
multiply by A on both sides:
A x A = A x B
subtract B x B from both sides:
A x A – B x B = A x B – B x B
factorise:
(A + B)(A – B) = B(A – B)
divide by (A – B) on both sides:
(A + B) = B
replace A with B:
B + B = B
factorise:
2B = B
divide by B on both sides:
2 = 1
Where lies the flaw in the logic?
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Puzzle 7
Which word is the odd one out:
ceelry caorrt caabbeg caefilloruw caehikort
Puzzle Copyright © Kevin Stone
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Puzzle 8
What comes next in the sequence:
red orange yellow green blue indigo ?
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