This crossword No. 10876 clues and answers were published on Wed 16 Mar 2005 and the puzzle can be visited by following The Guardian Quick Crossword No. 10876 link.
All Across Clues and Answers:
5-across – Demanding one’s best efforts : CHALLENGING
7-across – Police : FUZZ
8-across – Very large number : TRILLION
9-across – Everlasting : ETERNAL
11-across – Small meal : SNACK
13-across – Offence : CRIME
14-across – First man to fly across the Channel : BLERIOT
16-across – Adolescent : TEENAGER
17-across – Vegetable : BEAN
18-across – When William came : TENSIXTYSIX
All Down Clues and Answers:
1-down – Type of music : JAZZ
2-down – 18 and ____ – and ____ 1 : ALLTHAT
3-down – Smith’s block : ENVIL
4-down – Maker of hats : MILLINER
5-down – Fake : COUNTERFEIT
6-down – Brother with the moustache : GROUCHOMARX
10-down – Animal that chews the cud : RUMINANT
12-down – Quality of being easy to understand : CLARITY
15-down – Another time : AGAIN
17-down – Bosom – ruined : BUST
This crossword has in total 20 where 10 are across and 10 are down.