• 1. 
    If 8 men can do a piece of work in 20 days, in how many days could 20 men do the same work?

  • 6 days
  • 8 days
  • 4 days
  • 10 days.
  • 2. 
    If an amount of food last for 40 days for 120 men, how long will it last for 80 men at the same rate?

  • 50 days
  • 60 days
  • 80 days
  • 100 days.
  • 3. 
    If 18 women can reap a field in 7 days, in what time can 6 women reap the same field?

  • 15 days
  • 21 days
  • 30 days
  • 36 days.
  • 4. 
    10 men can dig a trench in 15 days. How long will 3 men take?

  • 50 days
  • 60 days
  • 100 days
  • 75 days.
  • 5. 
    3 lambs finish eating turnips in 8 days. In how many days will 2 lambs finish them?

  • 6
  • 8
  • 10
  • 12.
  • 6. 
    6 pipes are required to fill a tank in 1 hour. How long will it take if only 5 pipes of the same type are used?

  • 75 minutes
  • 72 minutes
  • 80 minutes
  • 90 minutes.
  • 7. 
    40 cows can graze a field in 16 days. How many cows will graze the same field in 10 days?

  • 60
  • 64
  • 80
  • 75.
  • 8. 
    If x = ky and when y = 4, x = 8 then k =

  • 1
  • 2
  • 3
  • 4.
  • 9. 
    x and y vary inversely with each other. If x - 15 when y = 6, then the value of x when y = 15 is

  • 2
  • 4
  • 5
  • 6.
  • 10. 
    If 12 workers can build a wall in 50 hours, how many workers will be required to do the same work in 40 hours?

  • 10
  • 13
  • 14
  • 15
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