Question

Tell a seven letter English word in which:
First two letters indicate a boy. First three letters indicate a girl. First four letters indicate a boy. And whole word indicates a girl.
let’s see who’s first, Brain teaser for all of you.

Answer 1

the answer is heroine.
first two letters: he
first three letters: her
first four letters: hero
whole letters: heroine

Answer 2

heroine He for boy Her for girl