Question

A man went to sports club. But everyone needs a key to enter. The first man reached there and the security guard tell him 1 and the man answered three.
The 2nd man reached the place and the guard tell him 3 and the 2nd man answered five.
A bad man watching this went to enter into the club. Then the guard tell me 5 and he answered seven and guard refused him for entry.
What's wrong in bad man's key?

Answer 1

Answer:'5' contains 4 letters.

So he must speak 4 to get in

Step-by-step explanation:

Answer 2

Answer:

5 contains 4 letters so he must speak 4 to get in