Aspire's Library

A Place for Latest Exam wise Questions, Videos, Previous Year Papers,
Study Stuff for MCA Examinations

Delhi University MCA Previous Year Questions (PYQs)

Delhi University MCA Time And Work PYQ


Delhi University MCA PYQ 2019
X works twice as fast as Y . Y alone can finish the work in nine days . X and Y together can finish the work in _____ days.





Go to Discussion

Delhi University MCA Previous Year PYQDelhi University MCA DU MCA 2019 PYQ

Solution


Delhi University MCA PYQ 2021





Go to Discussion

Delhi University MCA Previous Year PYQDelhi University MCA DU MCA 2021 PYQ

Solution

A-------15
B-------10
C-------12

Total work (LCM of A,B,C) = 60
Work done by B and C in a day = (6+5)=11

B and C word done in 4 days = 44
Remaining work for A=16

A completes 4 work in a day, so A take 4 more days to complete 16 works.

Delhi University MCA PYQ 2020
A and B can complete a work in 15 days. B and C can complete the same work in 20 days. If A, B and C together can finish it in 10 days, then A and C can complete the same work in____days.





Go to Discussion

Delhi University MCA Previous Year PYQDelhi University MCA DU MCA 2020 PYQ

Solution

One Day work of A+B = 1/15
One Day work of B+C = 1/20
Lwt One Day work of A+C = 1/x
One Day work of A+B+C = 1/10 
2.One Day work of A+B+C =(One Day work of A+B)+(One Day work of B+C)+(One Day work of A+C)
210=115+110+1x
x=12
A+C can complete the same work in 12 days.


Delhi University MCA


Online Test Series,
Information About Examination,
Syllabus, Notification
and More.

Click Here to
View More

Delhi University MCA


Online Test Series,
Information About Examination,
Syllabus, Notification
and More.

Click Here to
View More

Ask Your Question or Put Your Review.