A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will A alone finish the work?

A is twice as good a workman as B and together they finish a piece of work in 20 days. In how many days will A alone finish the work?

A is twice as good a work man as B together they finish a piece of work in 18 days . In how many days will A alone finish the work ?

A is twice as good a workman as B and together they finish a piece of work in 14 days. In how many days can A alone finish the work?

A is twice as good a workman as B and together they finish a piece of work in 7 days. In how many days can B alone finish the work?

A is twice as good a workman as B and together they finish a piece of work in 7 days. In how many days can A alone finish the work?

M is the thrice as good as work-man as N and together they finish a piece of work in 30 days.In how many days will M alone finish the work?

Karteek is twice as good a foreman as Raju and together they finish a piece of work in20 days. In how many days willRaju alone finish the work?