The GCHQ Puzzle Book: Perfect for anyone who likes a good headscratcher

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OFten × EAten - FReight × SLeight) / (CRone + ALone + SHone + OZone) = (10 × 10 - 8 × 8) / (1 + 1 + 1 + 1) = 9 = CAnine = CA a) U. Converting letters to numbers using A=1, B=2 gives 1,3,6,10,15 which are triangular numbers. The next is 21. Eliminating those words whose 2 nd letter is a consonant (ALGAE, FJORD, KNIFE, ORGAN, UPSET) leaves: French Revolutionary calendar: MIST/ BRUMAIRE, FLOWERS/ FLOREAL, FRUIT/ FRUCTIDOR, HARVEST/ MESSIDOR, MEADOWS/ PRAIRIAL, HEAT/ THERMIDOR, WIND/ VENTOSE From a set of 7: ANTHONY (Champions of Christendom), ATLANTIC (Seas), BIAS (Sages), COLIN (Secret Seven), COLOSSUS (Wonders), GREEN (Rainbow), PRIDE (Deadly Sins)

Countaphyt must have lost both their losing games 0-8 (to Apocrifal and Beaugas), as they gained no bonus points for losing by 7 or less. Hence they beat Dewbius 9-0. Synonyms of the names of the Seven Dwarfs: SHY/ BASHFUL, SURGEON/ DOC, STUPID/ DOPEY, SURLY/ GRUMPY, CHEERFUL/ HAPPY, TIRED/ SLEEPY, SNUFFLY/ SNEEZY plus SNOW WHITE P(APA). M(IKE) lives in Q(UEBEC), and is very fond of G(OLF). He is married to J(ULIET), and they have 2 children, C(HARLIE) and V(ICTOR). What do the children call M(IKE)? These are all letters in the NATO phonetic alphabet. SQUAW K, SCAMP I, ASTER N, BASIN G, HALLO W, CLOTH E, RATIO N, PARSE C, HEARS E, CARES S, GRAVE L, CHORE A, ASSES Sc) THE SEVEN AGAINST THEBES: TYDEUS, HIPPOMEDON, ADRASTUS, AMPHIARAUS, CAPANEUS, PARTHENOPEUS, POLYNICES

c) IRON/FE and LEAD/PB are the only elements where the Scrabble score of the symbol exceeds that of the name. Some Like It Hot: HANDsome, LONEsome, TWOsome, WHOLEsome; LADYlike, LIFElike, SUCHlike, WORKMANlike; BANDit, DIGit, ORBit, PULPit; EARShot, GUNShot, MUGShot, SNAPShot. Can be preceded by a US President’s surname: ARTHUR MILLER, BUSH FIRE, FORD FOCUS, HARRISON FORD, LINCOLN GREEN, POLKA, TRUMAN SHOW, WASHINGTON POST a) All appear in the name of A MUSE (CALLiope, terpsiCHORE, polyHYMNia, melpOMENe, uRANia, eRATo): doesn’t Synonyms of musical terms: UNINTENDED/ ACCIDENTAL, OBSTRUCT/ BAR, DEEP/ BASS, LEVEL/ FLAT, NORMAL/ NATURAL, ACUTE/ SHARP, THREEFOLD/ TREBLE

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Anagram of a colour: RECTAL/ CLARET, MELON/ LEMON, CHORE/ OCHRE, CHEAP/ PEACH, SORE/ ROSE, SUREST/ RUSSET, LIVERS/ SILVER, ANT/ TAN b) IAN LANCASTER FLEMING: DR. NO, GOLDFINGER, MOONRAKER, CASINO ROYALE, LIVE AND LET DIE, THUNDERBALL, DIAMONDS ARE FOREVER, ON HER MAJESTY’S SECRET SERVICE, FROM RUSSIA, WITH LOVE, THE MAN WITH THE GOLDEN GUN with punctuation, spaces and letters in his name removed. c) LES ROIS FRANCAIS: 1364 (year of accession of CHAR LES V), 1380 (CHARL ES VI), 1422 (CHARLE S VII), 922 ( ROBERT I), 877 (L OUIS II), 1270 (PH ILIP III), 1422 (CHARLE S VII), 1515 ( FRANCIS I), 1589 (HEN RI IV), 893 or 898 (CH ARLES III), 1574 (HE NRI III), 481 ( CLOVIS I), 893 or 898 (CH ARLES III), 936 (LOU IS IV), 986 (LOUI S V) e) (Official) James Bond Films: Dr. No, From Russia with Love, Goldfinger, Thunderball, You Only Live Twice, On Her Majesty’s Secret Service, Diamonds Are Forever, Live and Let Die, The Man with the Golden Gun, The Spy Who Loved Me, Moonraker, For Your Eyes Only, Octopussy, A View to a Kill, The Living Daylights, Licence to Kill, GoldenEye, Tomorrow Never Dies, The World Is Not Enough, Die Another Day, Casino Royale, Quantum of Solace, Skyfall, Spectre. These are the next pair of consecutive numbers where the last letter of the first one is the same as the first letter of the last one.

Can be preceded by the possessive of a name: ARCHIMEDES’S PRINCIPLE, BEETHOVEN’S FIFTH, HOBSON’S CHOICE, MERCATOR’S PROJECTION, MONTEZUMA’S REVENGE, PANDORA’S BOX, PASCAL’S TRIANGLE, RUBIK’S CUBE c) D. These the initials of the last 6 months of the year: July, August, September, October, November and December. After 6. The first line is numbers with three letters, the second line is numbers with four letters, the third line is numbers with five letters. b) THE HAGUE, VALETTA, ANKARA, MADRID, HAVANA, PARIS, LISBON, COPENHAGEN, BERN, MOSCOW, NEW DELHI, BEIJING PAPA was a rolling stone; ECHO beach; HOTEL California, WHISKEY in the jar; ROMEO and JULIET. The missing words are all from the NATO phonetic alphabet.c) EVOLVED (for example). The quote ‘IF MUSIC BE THE FOOD OF LOVE PLAY ON’ is spelled out by moving vertically and horizontally through the letters starting with I: