R can do a work in 90 days. What percent work of the total work can be done by R in 45 days?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 50 percent.
Given that
The time taken to complete the work = 90 days
Let the total work = 100 units
The time taken to complete 100 units of work = 90 days
The work completed in 45 days = = 50 units
Hence, the percentage of work done by R in 45 days = = 50