A.7 hours 30 minutes
B.8 hours
C.8 hours 15 minutes
D.8 hours 25 minutes
Show AnswerAnswer=Option C
Time and Work
A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days______?
A.11 days
B.13 days
C.20 days
D.None of these
Show AnswerAnswer=Option B
X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last______?
A.6 days
B.10 days
C.15 days
D.20 days
Show AnswerAnswer=Option B
10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work______?
A.3
B.5
C.7
D.Cannot be determined
E.None of these
Show AnswerAnswer=Option C
P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work______?
A.5-5/11
B.5-6/11
C.6-5/11
D.6-6/11
Show AnswerAnswer=Option A
4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it______?
A.35
B.40
C.45
D.50
Show AnswerAnswer=Option B
A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work______?
A.5
B.7
C.6
D.8
Show AnswerAnswer=Option C
A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ______?
A.11:30 A.M.
B.12 noon
C.12:30 P.M.
D.1:00 P.M.
Show AnswerAnswer=Option D
A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work______?
A.23 days
B.37 days
C.37
D.40 days
Show AnswerAnswer=Option C