A and B can do a piece of work in 20 days and 30 days respectively. They started the work together but after 8 days they doing work in alternate days, started with B. how many days the work will be completed? 

What is the source of bile?

If $$ m+{1\over m-2}=0$$ then the value of $$ (m-2)^{12}+{1\over{(m-2)}^{12}} $$ is.

In the following question choose the correctly spelt word.

How does Le-Hard Virus come into existence?

With which coordination does the main memory work?

Who was Rasputin?

Which state's government signed MoU with KFW to implement Zero Budget Natural Farming?