In the given diagram, if ∠BAC = 30°, ∠ABC = 50° and ∠CDE = 25°, then ∠AED is equal to:

In triangle ABC, ∠ACB = 180° − 30° − 50° = 100°, so ∠ECD = 80°. In triangle ECD, ∠CED = 180° − 80° − 25° = 75°. So ∠AED = 180° − 75° = 105°.