Discussion Forum
Que. | A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is : |
a. | 1/4 |
b. | 1/10 |
c. | 7/15 |
d. | 8/15 |
Correct Answer:8/15
|
Que. | A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is : |
a. | 1/4 |
b. | 1/10 |
c. | 7/15 |
d. | 8/15 |
Correct Answer:8/15
|