SSC CGL 13 Jun 2019 Shift 1 Paper

Question : 58 of 100

Marks: +1, -0

The efficiencies of A, B, and C are in the ratio 2 : 5 : 3. Working together, they can complete a task in 12 days. In how many days can A alone complete 30% of that task?

Validate

Solution:

\table A,:, B ,:,C;2 ,:,5 ,:,3

Total work

=(2+5+3) \×12=120

unitsTime take by

A=\ {120 \×30}/{2 \×100}=18

days

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