InterviewSolution
Saved Bookmarks
| 1. |
Theere are 4 people whow can complete a work in 19 days. Individually. The work is started by one of people on the first day. Everyday one more person joins and starting from the 4th days, all of the 4 people work be completed?A. `6(1)/(4)` daysB. `6 (1)/(19)`daysC. 7 daysD. `7(1)/(19)` days |
|
Answer» Correct Answer - A (i) Work done in the first three dya is `(1)/(19)+(2)/(19)+(3)/(19` and find the 4th day onwards the work done is `(4)/(19)` (ii) Part of the work done in first three days `(1)/(19)+(2)/(19)+(3)/(19)=(6)/(19)` `:.` Remaining work `=(13)/(19)` (iii) Let required time =(3+x) days. |
|