Recent house sales in Alexandria included the following, selected at random from information gathered by Rufus S. Lusk & Son Inc.

Mr. and Mrs. G. S. M. Johnson sold a house at 6827 Radcliffe Dr. for $72,500 to Mr. and Mrs. Robert B. Knoles. The buyers assumed a trust of $46,123. The sellers took back a note for $14,500 at 5 percent.

Mr. and Mrs. D. P. Yaffe sold a house at 5513 Gwyn Place for $86,000 to Janice L. Wiley. Navy Federal Credit Union placed a VA mortgage of $86,000 at 14 1/2 percent for 30 years.

Mr. and Mrs. H. A. Cushman sold a house at 6415 Olmi Landrith Dr. for $92,000 to Mr. and Mrs. Leonard B. Terr. Mortgage Funding Corp. placed an FHA mortgage of $89,500 at 13 1/2 percent for 30 years.

Mr. and Mrs. M. M. Squitieri sold a house at 3700 Lakota Rd. for $100,000 in cash to Mr. and Mrs. Aubrey G. Taylor.

Mr. and Mrs. C. K. Laurent sold a house at 1108 Gladstone Place for $126,000 to Gary A. Zarlengo and others. The sellers took back a note for $86,000 at 12 percent for seven years. Citicorp Person-To-Person Financial Center placed a note of $25,907.

Mr. and Mrs. J. W. Beatty sold a house at 6732 S. Kings Highway for $97,500 to Mr. and Mrs. Eugene S. White. The buyers assumed a trust of $6,503. The sellers took back a note for $67,500 at 12 percent for 10 years.

Mr. and Mrs. Robert Raatz sold a house at 5802 Larpin La. for $80,000 to Keith R. Young. The buyer assumed a trust of $43,700. The sellers took back a note for $11,734 at 14 percent for five years.

Mr. and Mrs. C. R. Benedict II sold a house at 6400 Gildar St. for $93,500 to Mr. and Mrs. Leland C. Komich. The buyers assumed a trust of $79,215.

Mr. and Mrs. E. L. Morgan sold a house at 8405 Leaf Rd. for $83,000 to Mr. and Mrs. Albert R. Suman. Inland Mortgage Corp. placed a mortgage of $83,000 at 15 1/2 percent for 30 years.

Mr. and Mrs. J. D. Barlow sold a house at 5247 Mitchell St. for $82,000 to Mr. and Mrs. Louis T. Cook Jr. The sellers took back a note for $72,000 for 30 years.

Mr. and Mrs. J. R. Ruffini sold a house at 6530 Spring Valley Dr. for $132,000 to Allen V. Jaffe. The buyer assumed a trust of $98,311. The sellers took back two notes, one for $6,400 at 13 percent for one year and one for $17,500 at 13 percent for three years.