Minimum Right Handed Girls puzzle
Katie is teaching a class of thirty pupils,
of which fourteen are girls.
She knows that there are twenty-two pupils who are right-handed.
What is the minimum number of girls
who are right handed in this class?
Click here for Answer
6 is the answer.Out of 30 pupils, 22 are right handed. so 8 are left handed.
Suppose all the 8 left handed are girls.
so minimum 6 girls are right handed (Since there are 14 girls)