Q250
X can copy 80 pages in 20 hours, x and y together can copy 135 pages in 27 hours. Then y can copy 20 pages in ?
A.
20 hours
AnswerB.
24 hours
C.
3 hours
D.
12 hours
Answer: Option A
Solution
Answer: Option A
Solution:
Aptitude · Q250
Time And Work
Competitive Exams · Aptitude · question 250