Comprehension Passage
Directions: The data below represents the number of people required for various project to be completed in different number of days. Use this information to answer the question asked.
|
Project |
Situation I |
Situation II |
||
|
Number of Workers |
Days Required |
Number of Workers |
Days Required |
|
|
P1 |
x |
(x + 5) |
(x – 5) |
(x + 15) |
|
P2 |
y |
(y + 10) |
40 |
(y – 5) |
|
P3 |
50 |
z |
80 |
(y – 10) |
|
P4 |
y |
(z + 9) |
(x + 16.25) |
z |
If 0.4x people work on project P2 for starting 10 days and then 0.8y people join the project with them after 10 days, how many days will it take to complete project P2? (if y < 15)
1
30 days
2
20 days
3
40 days
4
25 days
5
None of these