In a school 345 boys and 322 girls are divided into groups such that each group has same number of students and no group has both boys and girls together. What is the least number of classes needed?
1
14
2
15
3
29
4
23
In a school 345 boys and 322 girls are divided into groups such that each group has same number of students and no group has both boys and girls together. What is the least number of classes needed?
14
15
29
23