Time and work problem

A and B together can do a piece of work in 12 days; B and C together can do it in 15 days.If A is twice as good workman as C, in how many days A alone will do the same work?

3Comments
Ashish Kumar Goyal @dashish
1 Feb 2017 12:39 pm

30days

Rajeev Kr @testusr
1 Feb 2017 01:26 pm

Can you please explain a bit. I am not able to understand how to approach this kind of problem.

Ashish Kumar Goyal @dashish
1 Feb 2017 02:06 pm

Learn the time and work concept from here.. it is quite simple! After going through these u would be easily able to solve them.

http://www.bankexamstoday.com/2013/04/time-and-work-shortcuts-and-tricks.html

https://youtu.be/0Hqd1M0UuAQ