Rate upstream = 10 – 7 = 3 kmph Rate downstream = 10 + 7 = 17 kmph Time taken to go upstream = 51/3 = 17 hr Time taken to go downstream = 51/17 = 3 hr Total time = 17 + 3 = 20 hrs
P’s 5 days work is equal to Q’s 6 days work. If P and Q together can complete the work in 25 days then how much time Q will take to complete 60% of ...
A is half as efficient as B. C does half as much work as A and B together. If c alone can do the work in 40 days. Then in how many days will A, B and C ...
Raju, Shubham, and Mohan can work for 15 days, 20 days and 25 days respectively. In how many days will the work be finished if they do it on alternate d...
‘X’ and ‘Y’ together can complete a work in 10 days, while ‘Y’ and ‘Z’ together can complete the work in 8 days. If ‘Y’ takes 12 day...
P can complete a job in 30 days. Q alone can complete the same job in 20 days. P works for 18 days and then the remaining job is completed by Q. How man...
Gagan can do a piece of work in 14 days. Magan is 40% more efficient than Gagan. How many days will Magan and Gagan together complete the work?
‘A’ can complete a work in 15 days and is 50% more efficient than ‘B’. ‘A’ and ‘B’ start working together and ‘A’ leaves after 8 day...
Work efficiency of Chacha and Bhatija are in the ratio of 3 : 1. They working together to do a piece of work and completed the work in 24 days. Now in h...
Some Category of workers can complete a decided project in 20 days. However, due to some unpredicted situation, 5 workers were absent. That’s why, the...
Pipe ‘A’ and pipe ‘B’, together can fill 40% of a tank in 6 hours while pipe ‘C’ takes 35 hours to empty it. Pipe ‘A’ and pipe ‘B’ w...
