This crossword No. 10149 clues and answers were published on Wed 13 Nov 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10149 link.
All Across Clues and Answers:
5-across – Rough practical approach based on experience : RULEOFTHUMB
7-across – Exploding device : BOMB
8-across – Accommodation for soldiers – jeers : BARRACKS
9-across – Make alcohol from sugar, using yeast : FERMENT
11-across – Tipsy : MERRY
13-across – Sacred song : PSALM
14-across – State of being detained by the police : CUSTODY
16-across – Intricate dance – easy task : CAKEWALK
17-across – Indolent : LAZY
18-across – Ageing, filthy-minded fellow : DIRTYOLDMAN
All Down Clues and Answers:
1-down – Insincerely fluent : GLIB
2-down – Mix together : COMBINE
3-down – Bleak : STARK
4-down – Hungary’s capital : BUDAPEST
5-down – Smallest state in the US : RHODEISLAND
6-down – Thirteen loaves? : BAKERSDOZEN
10-down – Tree whose leaves feed silkworms : MULBERRY
12-down – Spouse of an adulterous wife : CUCKOLD
15-down – Goatlike deity of Greek myth : SATYR
17-down – Small swelling : LUMP
This crossword has in total 20 where 10 are across and 10 are down.