In a class of 88 students, girls are 5/8 of total. Rahul is 16th from top, 12 girls ahead. Find number of boys after Rahul. ​​

Given: 

In a class of 88 students, girls are 5/8 of total. Rahul is 16th from top, 12 girls ahead.

Solution: 

Total students = 88.

Girls = (5/8) of 88 = 55 → Boys = 88 − 55 = 33.

Rahul is 16th from top, so 15 students are ahead of him; of these 15, 12 are girls → boys ahead = 15 − 12 = 3.

Rahul is a boy, so boys after him:

= Total boys − boys ahead − Rahul

= 33 − 3 − 1

= 29

So, 29 boys after Rahul.

Thus, corret option is (b).