w2w2	w2w2w2	2w2w	w2w2w2w	2w22w
100 w2w2 w2w	100 w2w2 w2w2	100 w2w w22w2	100 2w2w2w2 w22w	100 2w2 w2w
200 w2w2 w2w2	200 w2w2 w2w2	200 w2w2w 2w2	200 22ww2 ww2	200 w2w2w w2
300 2w2w2 w2w	300 w2w2 w2w2w	300 w2w2w w22w2	300 2w2 ww22w	300 w22w 22w
400 w2w w2w2	400 w2w2 2w2	400 2w22 2ww2w	400 w2w w22w2	400 2w2 2ww2w
500 2w 2w2w	500 w2w2w w2w2	500 w22w2w2 w2w2	500 2w2w 22w	500 www2w22 2w2222w

9.3

How many teams are playing ?
Time given to answer each question ?