Aptitude Test: Ratio and Proportion
No. of Questions: 10
Time Duration: 10 min
1. A club has fewer than 200 members, and the ratio of adults to children is 5:3. Which of the following total member counts is possible?
2. A teacher wants to split students into groups of 4, 6, and 10 for different activities without any leftover students. What is the minimum number of students she must have?
3. A virus doubles its spread every 4 hours. If it fully infects a computer in 48 hours, when was it 50% infected?
4. The value of 1 Euro is twice that of 1 Yen, and 1 Dollar is 4 times the value of 1 Yen. What fraction of a Dollar is a Euro?
5. The ratio of rent, utilities, and groceries in a monthly budget is 7:3:2. If the total budget is $2,400, how much is allocated to utilities?
6. If $x can buy y pens, how many pens can $m buy?
7. A beam's resistance is proportional to the square of its height and inversely proportional to the width. Beam A is twice the height and the same width as Beam B. What's the ratio of their resistances?
8. Simplify the ratio: 36 : 48
9. A paint mixture is 3 parts red to 5 parts white. If 32 liters of the mixture were made, how many liters of red paint were used?
10. Sarah jogged for 5 hours a week last year and burned 15,600 calories total. Approximately how many calories did she burn per minute?
