Class XI

39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
  1. 10
  2. 13
  3. 14
  4. 15
36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
  1. 12
  2. . 18
  3. 22
  4. 24
An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth?
  1. 178
  2. 195
  3. 204
  4. 488
In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?
  1. . 20
  2. 30
  3. 40
  4. 50
3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
  1. 9
  2. 10
  3. 11
  4. 12
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