A school has 8 periods a day, each of 45 minutes duration. How long is each period if the school has 9 periods a day, assuming that the number of school hours per day stays the same?
  • 35 minutes
  • 38 minutes
  • 40 minutes
  • 42 minutes
A small pump can fill a tank in 3 hours, while a large pump can fill the same tank in 2 hours. If both pumps are used together, how long will the tank take to fill?
  • 1 hour
  • 1.2 hours
  • 1.5 hours
  • 2.5 hours
A factory requires 42 machines to produce a given number of toys in 63 days. How many machines are required to produce the same number of toys in 54 days?
  • 36
  • 45
  • 49
  • 56
A car takes 2 hours to reach a destination, travelling at a speed of 60 km/h. How long will the car take if it travels at a speed of 80 km/h?
  • 1 hour
  • 1.25 hours
  • 1.5 hours
  • 2 hours
0 h : 0 m : 1 s

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