capacity of doing work of A is double than B.if both together finish a work in 12 days,then B alone ...

capacity of doing work of A is double than B.if both together finish a work in 12 days,then B alone in how many days will finish the work?

Quiz

Answer/Solution

36 days

Steps/Work

let B do work in 1 day=x,then A do work in 1 day=2x
(x+2x)=1/12=3x=1/12,x=1/36
work of B in 1 day=1/36
B alone finish the work in 36 days
answer C