Q. |
Aryan can complete a piece of work in 9 days. Arav is 25% less efficient than Arav. In how many days can Arav complete the work alone? |
|
A. 24 |
|
|
B. 18 |
|
|
C. 36 |
|
|
D. 12 |
Aryan can complete a piece of work in 9 days. Arav is 25% less efficient than Arav
Let the efficiency of Aryan = 4
Efficiency of Arav = 3
4 * 9 = 3 * x
x = 12