This crossword No. 10180 clues and answers were published on Thu 19 Dec 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10180 link.
All Across Clues and Answers:
1-across – Not suited to the occasion : OUTOFPLACE
7-across – Mathematical axiom : THEOREM
8-across – Animals : FAUNA
10-across – Attractive – clever : CUTE
11-across – Period : FULLSTOP
13-across – Extend : SPREAD
15-across – Congenital – unwisely inter-related : INBRED
17-across – Occurrence : INCIDENT
18-across – Malay dagger : KRIS
21-across – Express amusement : LAUGH
22-across – Likely to remain fine or profitable : SETFAIR
23-across – Voyeur : PEEPINGTOM
All Down Clues and Answers:
1-down – Open : OVERT
2-down – Limit : TERM
3-down – Well known : FAMOUS
4-down – Essential means of support : LIFELINE
5-down – Crowded jumble : CLUSTER
6-down – Absolutely motionless : STOCKSTILL
9-down – Star is paid : ASPIDISTRA
12-down – Severe difficulty or suffering : HARDSHIP
14-down – Hermit : RECLUSE
16-down – All voices together : UNISON
19-down – Kingdom : REALM
20-down – Cancel correction : STET
This crossword has in total 24 where 12 are across and 12 are down.