I have done with my interview yesterday... They asked for a demo followed by general mathematics question like definition of function, slope, what will be the slope if lines are perpendicular, if y=sinx what will be dy/dx, integration of sin2x. expand form of e power x.. simple formulas of maths... then islamic studies ques when Hazrat Esa (A.S.) was born, who was contemporary to him, n his father's name, asked about basic problem of karachi,.. current commisioner

Simple formulas and simple questions thats it and done