Edit MetaData
7 years, 10 months ago
7 years, 9 months ago
let mike, john and peter take a,b,c days to complete a work.
then, 1/a+1/b+1/c=1/30... (i)
again, 1/a+1/c= 3/b ..... (ii)
put (ii) in (i)
4/b= 1/30
or b= 120 days
Detailed syllabus & Topic-wise Weightage
By proceeding you agree to create your account
Free CAT Syllabus PDF will be sent to your email address soon !!!