Question

If marching bands vary from 21 to 49 player, which numbers of players can be arranged in the greatest number of rectangles?

Answer 1

Hmm. a rectangle?ok then, least number of rectangles needed-6.
. . .
. . . ( rectangle)
so, 6 x 8=48(greatest multiple of 6 from between 21 and 49)
48 players are most, so 8 rectangles