Question

In a class of 60 students, where the number of girls is twice that of the boys, a boy, ranked 20th from the top. If there are 7 girls ahead of the boy, then the number of boys in rank after him is:

• A. 6
• B. 7
• C. 8
• D. 9

Answer 1

Answer:

B. 7

Solution: Given statement, The total strength of the class = 60 Boys : Girls = 1 : 2 This means 20 boys and 40 girls are there in the class. The rank of 'boy' from the top is 20th This means 19 students ahead of the 'boy' and 7 girls ahead of the 'boy'. So 12 are boys. Total boys = 20 Ahead of boy = 12 After boy = 20 - 12 - 1 = 7 boys Hence, "Option (2)" is the correct answer.