n We’re just the right age to be fans of the late ’60s-early ’70s rock band Creedence Clearwater Revival. With all their hit tunes, we were surprised to learn that the group never had a No. 1 Billboard song. But they came tantalizingly close. (Thanks to Ken Clark of Kent, Wash.)

The world’s only diamond mine that is open to the public is located in:

A) South Africa

B) Australia

C) Arkansas

D) Aruba

Answer Monday.

Thursday’s answer: Actress Anne Bancroft was only six years older than Dustin Hoffman, her co-star in “The Graduate.”