SSC CGL 12 Jun 2019 Shift 1 Paper

Question : 59 of 100

Marks: +1, -0

A is 50% more efficient than B and C is 40% less efficient than B. Working together, they can complete a task in 20 days. In how many days will C alone complete 30% of that task?

Validate

Solution:

\table A,:,B, :,C;150,:,100,:, 60;15,:,10,:,6

Total work

=31 \×20

C alone complete

30 \%

of work

=\ {31 \× 20 \×30}/{100 \× 6}

=31

days

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