The yield of a wheat inbred variety A is 20 q/ha , inbred vari | AGRI QUIZZES

The yield of a wheat inbred variety A is 20 q/ha , inbred variety B is 40 q/ha. The yield of standard commercial check hybrid is 45q/ha.Yield of F1 Hybrid is 50 q/ ha . Find the heterobeltiosis percentage.