Tarun and Harish together finish a job in 12 days. Dinesh who is half as efficient as Tarun joins them and they finish the job in 10 days. How many days will it take for Tarun and Dinesh to finish the same job?(Mindtree 2019-Test4)
a.
16
b.
20
c.
8
d.
15
Answers
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1
b. 20 days .
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