Discussion Problem_(23)

Posted by duck on May 31, 2013; 5:33pm
URL: http://discussion-forum.276.s1.nabble.com/Discussion-Problem-23-tp7581582.html

Q1) The number of different solutions (x,y,z) of the equation x+y+z =10 is possible where each of x,y and z is a positive integer.

Q2) A salesman sold two pipes at Rs12 each. His profit on one was 20% and the loss on the other was 20%.
Then, on the whole, how much he gained/lost?