In a car park near Arnhem you are sticking new reflectors on your trailer: two red triangles, two white ones and a set of orange ones. You pick up the two white ones.
White goes at the back, next to the red triangles
White goes at the back, the red triangles at the front
White goes at the front, the red triangles at the back
Explanation
False — You put the red triangles at the front. The red triangular reflectors belong at the back and the white ones at the front, just like rear light and headlight. Book p.232.