How many minutes will it take to completely fill a water tank with a capacity of 3650 cubic metres if the water is being pumped into the tank at the rate of 800 cubic metres per minute and is being drained out of the tank at the rate of 300 cubic metres per minute ?
4 min. 36 sec.
7 minutes
7 min. 30 sec.
8 minutes.
If m men can do a job in d days, how long would n men take to do the same job ?
A labourer is paid per hour for an 8-hour day and times that rate for each hour in excess of 8 hours in a single day. If the labourer received for a single day's work, how long did he work on that day ?
6 hr. 40 min
9 hr. 20 min.
7 hr. 30 min.
10 hr. 40 min.
If a train travels l + 2 kms in h hours, which of the following represents the number of kms if the train travels in 1 hour and 30 minutes ?
A gas tank is empty. When full, the tank holds 18 litres. How many litres are there in the tank now ?
7
9
11
12
A school has enough bread to feed 30 students for 4 days. If 10 more students are added, how many days will the bread last ?
5
3
The earth travels around the sun at a speed of approximately 18.5 kilometres per second. This approximate speed is how many kilometres per hour ?
1,080
54,700
64,800
66,600
One printing press can print a daily newspaper in 12 hours, while another press can print it in 18 hours. How long will the job take if both presses work simultaneously ?
7 hours, 12 minutes
11 hours, 30 minutes
13 hours, 45 minutes
13 hours
An empty pool being filled with water at a constant rate takes 8 hours to fill to of its capacity. How much more time will it take to finish filling the pool ?
4 hrs. 30 mins.
5 hrs. 20 mins.
6 hrs. 48 mins.
7 hrs. 12 mins.
If 3 miles are equivalent to 4.83 kilometers, then 11.27 kilometers are equivalent to how many miles ?
11.7 miles
13.4 miles
7.0 miles
9.2 miles
