In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: Angiosperms are divided into _ groups- monocots and dicots.

A: two
****
Q: Cats There are thirty _ recognised species of cats and a whole host of subspecies or races.

A: five
****
Q: Dengue has an incubation period of five to _ days after one is bitten by an infected mosquito.

A:
seven
****