4. Some penguins are birds. Each bird has three wings. Which of the following statements is true:Penguins with two wings are not birds.Birds that are penguins sometimes have three wings.Birds with two wings are sometimes penguins.Penguins are not birds, there are no three wings.Penguins have three wings because they are birds.None of the above.

If no birds can swim and all penguins are birds, which of the following statements must be true?*No penguins can swim.Some birds can swim.All birds are penguins.Some penguins can fly.Cannot say

Based on the two given premises above the line, determine whether the conclusion below the line is logically correct or incorrect.No bird is an insect.All insects have wings.Some animals with wings are not birds.a) Incorrectb) Correct

StatementsSome birds are parrots.All parrots are black.No black is a white.Some whites are birds.Conclusions1. Some birds which are black are not white.2. All parrots which are black are necessarily birds.

All mice are moons. All ducks are mice.Which one of the following conclusions is definitely true based on the statement?All ducks are moonsNo ducks are moonsSome ducks are moonsSome ducks are not moonsNo valid conclusion

Some birds are mammals. No mammals are reptiles.Conclusions:Some birds are reptiles.No birds are reptiles.A. Only conclusion 1 followsB. Only conclusion 2 followsC. Both 1 and 2 followD. Neither 1 nor 2 follows