Multiple choice general knowledge

Which one of the following is not a mammal?

  1. Bat

  2. Duck-billed-platypus

  3. Shark

  4. Whale

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sharks are cartilaginous fish, not mammals. Bats, duck-billed platypuses, and whales are all mammals, with bats being flying mammals and platypuses being egg-laying mammals.