InterviewSolution
Saved Bookmarks
| 1. |
P and Q can complete a certain in 28 days and 56 days, respectively. P works for 7 days, and then Q joins P . In how many more days, can they complete the work ?A. 7B. 14C. 21D. 28 |
|
Answer» Correct Answer - B (i) Fram the equation and solve. (ii) P works for 7 days, remaining work `=1-(7)/(28)-(3)/(4)` (ii) Let the required number of days =x `:. (x)/(28)+(x)/(56)=(3)/(4)`. |
|