There are 10 girls and 20 boys in a class

There are 10 girls and 20 boys in a class, Isha rank is 4th among the girls and 18th in the class in total. What is Isha rank among the boys in the class?

1. 12th
2. 13th
3. 14th
4. 15th
5. 16th

Answer

Option 4 : 15th

There are 10 girls and 20 boys in a class