Time and Work - Arithmetic Aptitude Questions and Answers

Home / Arithmetic Aptitude / Time and Work :: Discussion

A and B can do a work in 18 day, B and C in 30 days, A and C in 22 (1/2) days. In how many days can A,B and C individually do the work?

30,45,60

60,45,90

45,60,90

60,90,120

None of these

Answer : Option E

Explanation :

(A+B+C)'s two days work = 1/18 + 1/30 + 2/45

= (5 + 3 + 4)/90 = 2/15

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