A can do a work in 72 days and B in 90 days. If they work on - Exam Yatra

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SSC CGL Tier-2 9-March-2018 Maths-shift-1
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A can do a work in 72 days and B in 90 days. If they work on it together for 10 days, then what fraction of work is left?

[SSC CGL Tier-2 9-March-2018 Maths-shift-1]

A

B

C

D

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