A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ? | MCQ Hive

Mathematics Mcqs

Q A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days. In what time can A alone do it ?

A A. 80 days
B B. 100 days
C C. 120 days
D D. 150 days

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