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.
How far in kilometres can Sumit drive into the country if he drives out at 40 kilometres per hour (kmph), returns over the same road at 30 kmph, and spends 8 hours away from home, including a one hour stop for lunch ?
95
120
164
180
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
If cats sleep of every day, how many full days would a cat sleep in a four - day period ?
3 day
At the rate of m metres per s seconds, how many metres does a cyclist travel in x minutes ?
A car runs until the gas tank is full. The tank is then filled to capacity by putting in 14 litres. The capacity of the gas tank of the car is -
11 litres
13 litres
16 litres
21 litres
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
Praveen is standing 180 metres due north of point P. Ravi is standing 240 metres due west of point P. What is the shortest distance between Ravi and Praveen ?
160 metres
300 metres
420 metres
650 metres
A father can do a job in a certain number of hours. His son takes twice as long to do the job. Working together, they can do the job in 6 hours. How many hours does it take the father to do the job alone ?
9 hrs
18 hrs
24 hrs
27 hrs
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.