2013 · Q6
A can do a piece of work in 4 days and B can complete the same work in 12 days. What is the number of days required to do the same work together?
Elementary MathematicsArithmetic
- A2
- B3
- C4
- D5
Explanation
1/4+1/12=1/3 → 3 days. Answer B.
A can do a piece of work in 4 days and B can complete the same work in 12 days. What is the number of days required to do the same work together?
Explanation
1/4+1/12=1/3 → 3 days. Answer B.