CAT Exam Category

A and B undertook can do to a work for Rs.37.50.A alone can do the work in 20 days.B alone can do it in 30 days.with the assistance of C they finished the work in 8 days.what amount of wage should C be given?

Read Solution (Total 4)

Rs. 12.50
A & B will together take 12 days to finish..but when C assists it gets finished in 8 days.. so C alone can do work in 24 days (work calc)
hence is the share.
10 years agoHelpfull: Yes(2) No(0)

a:b:c=6:4:5
c=5/15
37.50*5/15=12.50
10 years agoHelpfull: Yes(1) No(1)
a+b =37.50--->1 day sal =37.50/12
a+b+c =37.50 ---->1 day sal = 37.50/8

on sub above
c(1 day sal) ---> 37.50/24
c(8 day sal) =37.50*8/24 = 12.50
10 years agoHelpfull: Yes(1) No(0)
a:b:c=6:4:5
c=5/15
37.50*5/15=12.50
10 years agoHelpfull: Yes(0) No(0)

CAT Other Question

A and B can do a piece of work in 12 days.B and C can do a work in 15 days.if A is twice as good a workman as C.find in what will B alone do it? three person A,B,C finished piece of work.A woked it for 15 days B worked it for7 C worked it for 9 .the daily wages in the ratio 4:3:2. and the total earning amounted to Rs 198.what was the daily wages of A?