Arun alone can finish a work in 12 days and Shama alone can

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Arun alone can finish a work in 12 days and Shama alone can do it in 15 days. How much time will be taken to finish the work, if Arun and Shama work together?

[SSC CHSL 1st June 2022 Shift-2 With Answers]

A

B

C

D

EXPLANATION

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