LOS ANGELES, March 29 (Reuters) - Following are ticket sales for the top 10 movies at the North American box office for the March 27-29 weekend, according to studio estimates released on Sunday. Final data will be issued on Monday.

1. (1) Titanic ........................ $16.0 million
2. (+) Grease ......................... $13.0 million
3. (2) Primary Colors ................. $7.3 million
4. (3) The Man in the Iron Mask ....... $6.6 million
5. (4) Wild Things .................... $5.8 million
6.-(8) As Good As It Gets .............. $4.3 million
6.-(7) Good Will Hunting ............... $4.3 million
8. (5) U.S. Marshals .................. $4.2 million
9. (+) The Newton Boys ................. $4.0 million
10-(6) Mr. Nice Guy .................... $2.6 million
10-(+) Ride ............................ $2.6 million

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-- Chris Kilroy (Chrisk757@aol.com), March 29, 1998