Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[Q]: Snow leopards eat almost anything they can catch, often hunting animals ____ times their size.
[A]: three


[Q]: International mail consists of ____ categories of mail.
[A]: three


[Q]: Flash floods occur within ____ hours of the beginning of heavy rainfall.
[A]:
six