Preparing for DRDO CEPTAM Tier I - Partnership

I hope your preparation for DRDO CEPTAM exam is going well, and you are well on track. Wishing you all the best for the exam.

Continuing our series on Quantitative Aptitude, we are going to cover "Partnership" today. We will share shortcuts and tricks which you can utilize to solve the problems. Before we start, here is a good news. We have rented a server to host the mock tests. So now you can attempt the exam in real time environment. It will have a timer, progress button, submit and clear now. What are you waiting for? Go and attempt the sectional mock tests. Click here to go to the mock test.

Lets get started:

When investments made my all the partners are for same duration, then gain or loss is distributed among them in the ratio of their investment. 
Suppose A & B invest x and y for 1 year, then :

A's Share of profit : B's Share of profit = x : y

When investments made by partners are of different duration then equivalent capitals are calculated by taking capital x number of unit of time.

Now  that you have learnt the tricks, lets solve some problem.