Arithmetic ReasoningCâu 13 / 120
In a class of 30 students, 3/5 are girls. How many boys are in the class?
a.12
b.10
c.15
d.18
Giải thích
Three fifths of 30 is 18 girls. Subtracting 18 girls from 30 total students leaves 12 boys. The fraction of boys is the remaining two fifths of 30, which also equals 12.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A map uses a scale of 1 inch to 25 miles. Two towns are 4.5 inches apart on the map. What is the actual distance?
- A rectangular room is 12 feet long and 9 feet wide. If carpet costs $3 per square foot, what is the total cost to carpet the room?
- A store sells 6 bottles of water for $9. What is the cost of one bottle?
- A meal costs $40 before tax. If sales tax is 8%, what is the total amount paid?
- A tank holds 240 gallons and is being filled at 8 gallons per minute. How many minutes will it take to fill the empty tank?
- If 168 pencils are packed equally into boxes of 12, how many boxes are needed?
Cập nhật gần nhất: · quy trình kiểm tra
Sen Lin, Người sáng lập PrepPass · Đối chiếu với ASVAB (Armed Services Vocational Aptitude Battery) · Quy trình kiểm tra