Time & Work 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. 80 days
b. 100 days
c. 120 days
d. 150 days


ANSWER: See Answer
 
No explanation is available for this question!
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