AP ICET 2016 Paper

Question : 105 of 200

Marks: +1, -0

Three persons A, B and C together complete a work in 3 days; B and C together complete the work in 6 days; and A and C together complete the same work in

4{1/2}

days. Then the number of days in which C alone can complete the work is

Validate

Solution:

C’s 1 day work = 1 days work of [(B + C) + (A + C) – (A + B + C)]

=({1}/{6}+{1}/{4.5})-{1}/{3}={10.5}/{6×4.5}-{1}/{3}={7}/{18}-{1}/{3}={1}/{18}

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