Twelve women complete a work in 20 days. If only 8 women are employed, the time required to complete the same work is -
30 days
32 days
35 days
40 days
Savita left her home at 11 a.m., travelling along Route 1 at 30 kmph. At 1 p.m., her brother Rohan left home and started after her on the same road at 45 kmph. At what time did Rohan catch up to Savita ?
3:30 p.m.
4:45 p.m.
5:00 p.m.
4:15 p.m.
A is twice as good as a workman B, And together, they finish a piece of work in 14 days. In how many days, can it be done by each separately ?
A - 14 days, B - 28 days
A - 24 days, B - 42 days
A - 21 days, B - 42 days
None of these
At the rate of m metres per s seconds, how many metres does a cyclist travel in x minutes ?
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.
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
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 ?
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
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