Total 10 Questions (Please login to see all questions)

1. 10 hermit crabs crawl along the beach. If a wave catches 3 and sweeps them away, how many are left on the sand?
2. Four bromiliads grow on a branch. If three tadpoles swim in each bromiliad, how many tadpoles are there?
3. Five hundred termites build a mound. If three hundred leave to form a new colony, how many are left?