Machine A produces 100 parts twice as fast as machine B does. Machine B produces 100 parts in 40 minutes. If each machine produces parts at a constant rate, how many parts does machine A produce in 6 minutes ?
30
27
21
17
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
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
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.
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
If cats sleep of every day, how many full days would a cat sleep in a four - day period ?
3 day
Riya worked one weekend from 9:00 a.m. until 4:30 p.m. at the rate of per hour. How much did she receive for both days ?
A certain copy machine produces 13 copies in every 10 seconds. If the machine operates without interruption, how many copies will it produce in an hour ?
78
4680
1800
2808
At the rate of m metres per s seconds, how many metres does a cyclist travel in x minutes ?
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 ?
