##### If a worker can complete a task in 6 hours, how long will it take for them to complete the same task working at a rate of 3/4 of their normal speed? 1. [ ] 4.5 hours 2. [ ] 6 hours 3. [ ] 7.2 hours 4. [x] 8 hours ##### A pipe can fill a tank in 10 hours and another pipe can drain the same tank in 20 hours. If both pipes are opened simultaneously, how long will it take for the tank to fill up completely? 1. [x] 12 hours 2. [ ] 10 hours 3. [ ] 15 hours 4. [ ] 20 hours ##### A baker can bake 36 cakes in a day. At this rate, how many cakes can the baker bake in 2.5 hours? 1. [ ] 18 2. [x] 30 3. [ ] 45 4. [ ] 60 ##### A car travels 120 kilometers in 2 hours. What is its average speed in kilometers per hour? 1. [ ] 60 kph 2. [x] 60 kph 3. [ ] 120 kph 4. [ ] 240 kph ##### If a car travels at an average speed of 60 kilometers per hour, how far will it travel in 2.5 hours? 1. [ ] 120 km 2. [ ] 150 km 3. [x] 150 km 4. [ ] 180 km ##### If a train travels at a speed of 120 kilometers per hour, how far will it travel in 1.5 hours? 1. [ ] 90 km 2. [x] 180 km 3. [ ] 210 km 4. [ ] 270 km ##### If a worker can complete a task in 8 hours, how long will it take for them to complete the same task working at a rate of 5/6 of their normal speed? 1. [ ] 6 hours 2. [ ] 7 hours 3. [x] 9 hours 4. [ ] 10 hours ##### If a worker can complete a task in 12 hours, how long will it take for them to complete the same task working at a rate of 2/3 of their normal speed? 1. [ ] 8 hours 2. [ ] 10 hours 3. [x] 16 hours 4. [ ] 18 hours ##### An employee is paid $20 per hour. How much will they earn in a 40-hour work week? 1. [x] $800 2. [ ] $1200 3. [ ] $1600 4. [ ] $2000 ##### If a water tank can hold 2000 liters and it is currently filled up to 3/4 of its capacity, how many liters of water are in the tank? 1. [ ] 500 liters 2. [ ] 1000 liters 3. [x] 1500 liters 4. [ ] 2000 liters ##### If a pipe can fill a tank in 8 hours and another pipe can drain the same tank in 12 hours, how long will it take for the tank to fill up completely if both pipes are opened simultaneously? 1. [x] 6 hours 2. [ ] 8 hours 3. [ ] 10 hours 4. [ ] 12 hours ##### A worker can complete a task in 10 hours. If they work for 5 hours, what percentage of the task is complete? 1. [ ] 20% 2. [x] 50% 3. [ ] 75% 4. [ ] 80% ##### If a worker can complete a task in 12 hours and they work for 6 hours, what percentage of the task is complete? 1. [ ] 25% 2. [ ] 33% 3. [x] 50% 4. [ ] 67% ##### If a worker can complete a task in 15 hours and they work for 5 hours, what percentage of the task is complete? 1. [x] 33.33% 2. [ ] 40% 3. [ ] 50% 4. [ ] 60% ##### A worker can complete a task in 12 hours. If they work for 6 hours and then take a break for 2 hours, how much of the task is complete after they return to work for another 3 hours? 1. [ ] 50% 2. [ ] 62.5% 3. [x] 66.67% 4. [ ] 75% ##### If a worker can complete a task in 10 hours and they work for 6 hours, what percentage of the task remains unfinished? 1. [x] 40% 2. [ ] 50% 3. [ ] 60% 4. [ ] 70% ##### If a worker can complete a task in 15 hours, how long will it take for them to complete 2/3 of the task? 1. [ ] 5 hours 2. [x] 10 hours 3. [ ] 12.5 hours 4. [ ] 15 hours ##### If a worker can complete a task in 15 hours, how long will it take for them to complete 5/6 of the task? 1. [ ] 5 hours 2. [x] 7.5 hours 3. [ ] 10 hours 4. [ ] 12 hours ##### If a worker can complete a task in 20 hours and they work for 12 hours, what percentage of the task remains unfinished? 1. [x] 40% 2. [ ] 50% 3. [ ] 60% 4. [ ] 70% ##### If a worker can complete a task in 20 hours, how long will it take for them to complete 3/4 of the task? 1. [x] 15 hours 2. [ ] 16 hours 3. [ ] 18 hours 4. [ ] 20 hours ##### If a worker can complete a task in 20 hours and they work for 12 hours and then take a break for 2 hours, how much of the task is complete after they return to work for another 3 hours? 1. [ ] 50% 2. [ ] 58.33% 3. [x] 61.67% 4. [ ] 66.67% ##### If a worker can complete a task in 25 hours, how long will it take for them to complete 2/3 of the task? 1. [x] 16.67 hours 2. [ ] 17.5 hours 3. [ ] 18.33 hours 4. [ ] 20 hours ##### If a worker can complete a task in 25 hours, how long will it take for them to complete 5/6 of the task? 1. [x] 10.42 hours 2. [ ] 11.25 hours 3. [ ] 12.5 hours 4. [ ] 13.75 hours ##### If a worker can complete a task in 30 hours, how long will it take for them to complete 4/5 of the task? 1. [ ] 7.5 hours 2. [x] 9 hours 3. [ ] 10 hours 4. [ ] 11 hours ##### If a worker can complete a task in 30 hours, how long will it take for them to complete 7/8 of the task? 1. [ ] 6.38 hours 2. [ ] 7 hours 3. [x] 8.75 hours 4. [ ] 10 hours ##### If a worker can complete a task in 36 hours, how long will it take for them to complete 7/9 of the task? 1. [ ] 5.56 hours 2. [ ] 6 hours 3. [x] 7.56 hours 4. [ ] 8 hours ##### If a worker can complete a task in 40 hours, how long will it take for them to complete 5/6 of the task? 1. [ ] 4.67 hours 2. [ ] 5 hours 3. [ ] 5.33 hours 4. [x] 6.67 hours ##### If a worker can complete a task in 45 hours, how long will it take for them to complete 3/4 of the task? 1. [ ] 4 hours 2. [ ] 4.5 hours 3. [ ] 5 hours 4. [x] 6 hours ##### If a worker can complete a task in 45 hours, how long will it take for them to complete 11/12 of the task? 1. [ ] 3.75 hours 2. [ ] 4 hours 3. [x] 5.5 hours 4. [ ] 6 hours ##### If a worker can complete a task in 50 hours, how long will it take for them to complete 2/3 of the task? 1. [ ] 3.33 hours 2. [ ] 3.5 hours 3. [x] 4.17 hours 4. [ ] 5 hours ##### If a worker can complete a task in 50 hours, how long will it take for them to complete 8/9 of the task? 1. [ ] 3.33 hours 2. [ ] 3.75 hours 3. [x] 4.44 hours 4. [ ] 5 hours ##### If a worker can complete a task in 55 hours, how long will it take for them to complete 5/6 of the task? 1. [ ] 3 hours 2. [ ] 3.33 hours 3. [ ] 3.67 hours 4. [x] 4.58 hours ##### If a worker can complete a task in 55 hours, how long will it take for them to complete 13/15 of the task? 1. [ ] 2.67 hours 2. [ ] 2.75 hours 3. [x] 4.27 hours 4. [ ] 4.5 hours