29 stars are in the constellation pavo!
18 is the stars of the constellation hydra
There are six stars in the Norma constellation.
There are 6 stars in the constellation Libra.
Very few of the many stars that exist in our and other galaxies are not part of the designated constellations but you may be asked to look "in" a constellation to locate them. Remember a constellation is just an area of sky with some specific stars in it making a pattern, there is nothing special about it.
The number of stars in the constellation Hercules is debated, but most agree on 14-22 stars in the constellation.
The number of stars in any constellation is uncountable.
The constellation Cygnus contains 9 major stars
8 stars
7 stars!
millons of stars
The Scorpius constellation has at least 18 bright stars. There are many more too, of course.
5 stars are there in cancer