PDF chapter test TRY NOW

1. 6 pumps are required to fill a water sump in 1 hour 30 minutes. What will be the time taken to fill the sump if one pump is switched off?
 
Time taken = hour
 
2. A farmer has enough food for 144 ducks for 28 days. If he sells 32 ducks, how long will the food last?
 
Number of days =