Q1: Accuracy of 'fix' by two point problem, is

ANS:C - not reliable

In two point problem, we have two well defind points and some intrupion b/w the point in that situation we are using 2 point problem. Two point problem consists of locating the position of plane table station (fix) on the drawing sheet by observation of two well-defined points. Whos positions have already been plotted on the plan.