Civil Service Exam Reviewer · Ratio and Proportion · medium
A bus traveling at 80 km/h takes 3 hours to complete a trip. How long will the trip take at 40 km/h?
- 6 hours
- 1.5 hours
- 3 hours
- 7 hours
Answer
A. 6 hours
Solution
Distance = 80 × 3 = 240 km. Time = 240 ÷ 40 = 6 hours (speed and time are inversely proportional).
More Ratio and Proportion questions
- The sum of two numbers is 266, and they are in the ratio 9 : 5. What is the smaller number?
- Two numbers are in the ratio 5 : 3, and their difference is 24. What is the larger number?
- A recipe for 2 servings uses 3 cup(s) of flour. How many cups are needed for 13 servings?
- If A : B = 2 : 6 and B : C = 5 : 7, what is A : B : C?
- On a map, 1 cm represents 25 km. Two towns are 9 cm apart on the map. What is the actual distance?
- 10 workers can finish a job in 15 days. Working at the same rate, how many days will 5 workers take?
- If 8 kilograms of pork cost ₱3,600, how much will 16 kilograms cost?
- The sum of two numbers is 112, and they are in the ratio 5 : 9. What is the smaller number?
- A recipe for 8 servings uses 5 cup(s) of flour. How many cups are needed for 30 servings?
- If A : B = 5 : 3 and B : C = 7 : 5, what is A : B : C?