Recent condominium sales in Montgomery County included the following, selected at random to indicate prices in various projects:

RCC Inc. sold a dwelling in the Rossmoor complex, 15300 Beaverbrook Ct., Silver Spring, for $66,000 to Loretta A. Becker.

Mr. and Mrs. D. K. Acker sold a condo dwelling in the Grand Bel project, 3942 Bel Pre Rd., Silver Spring, for $44,000 to Judith J. McNulty.

Mr. and Mrs. P.E. Cowgill sold a dwelling in The Hyde Park, 467 Christopher Ave., Caithersburg, for $46,000 to Gail Duey.

Georgian Colonies Development Co. sold a condo unit in the firm's project at 8 Dunsinane Ct., Silver Spring, for $80,450 to Betty J. Cartmill.

Chillingworth Riviera Inc. sold an apartment unit at the Riviera, 4242 East-West Hwy., Chevy Chase, for $29,500 to Bette M. Rothstein.

Rockville Grosvenor Inc. sold a dwelling in the firm's Grosvenor project, 10401 Grosvenor Place, Rockville, for $114,000 to Mr. and Mrs. William McFarlin.

PSC Corp. sold a dwelling in the Prk Sutton building, 1900 Lyttonsville Rd., Silver Spring, for $49,500 to Mr. and Mrs. John G. Alee III.

G.L. Cornell Jr. sold a dwelling in the Americana Centre, 118 Monroe St., Rockville, for $52,500 to Andrea L. Drimmer.

S. J. Augustiny sold a condo unit in the Columbia Towers, 12001 Old Columbia Pk., Silver Spring, for $38,000 to Ann M. Jameson.

J. Chasnoff sold a condo in the Camelback Village project, 3230 Spartan Rd. Olney, for $45,000 to Mr. and Mrs. Gustave A. Ring.

Mr. and Mrs. J.W. Underwood sold a dwelling in Summer Village, 4929 Sentinel Dr., Summer, for $155,000 to Mr. and Mrs. Marlon E. Byrd.

Mr. and Mrs. P.M. Laaveg sold a dwelling at Thayer Towers, 575 Thayer Ave., Silver Spring, for $30,000 to Mr. and Mrs. Robert H. Carp.

P. Ulsaker sold a dwelling at Park Terrace, 12710 Viers Mill Rd., Wheaton, for $46,000 to Paul T. Murphy.

GLM Corp., sold a dwelling at the Wellington, 4803 Wellington Dr., Chevy Chase, for $69,000 to Francis A. Van Riper.

Westlake Park Limited Partnership sold a dwelling at Westlake Terrace, for $128,500 to George L. Cornell Jr.

Mr. and Mrs. J.C. Shreffler sold a dwelling at The Crest of Wickford, 10927 Wickshire Way, Rockville, for $150,000 to Mr. and Mrs. Douglas W. Ewell.