Multiple Choice Questions

Ritesh can build a hut in 20 days Shivam can build it in 25 days working together they can build the...........

Quantitative Aptitude (CDS) Time and work

Ritesh can build a hut in 20 days, Shivam can build it in 25 days. working together they can build the hut in?

90/8days

80/9days

100/7days

100/9days

Efficiency of Ritesh = 5%
Efficiency of Shivam = 4%
Efficiency of both = (5+4) =9%
Required number of days = 100/9 days

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