For the following questions answer them individually
A is a 3 $$\times$$ 4 real matrix and Ax = b is a consistent system of equations. The highest possible rank of A is
The solution of the differential equation $$\frac{dy}{dx} = \frac{-x}{y}$$ at $$x = 1$$ and $$y = \sqrt(3)$$ is
X is a uniformly distributed random variable that takes value between 0 and 1. The value of E(X$$^3$$) will be
The equation $$e^x − 1 = 0$$ is required to be solved using Newton’s method with an initial guess of $$x_0 = −1$$. Then after one step of Newton’s method, the estimate $$x_1$$ of the solution will be
The residue of a complex function $$x(z) = \frac{1 - 2z}{z(z - 1)(z - 2)}$$ at its poles are
A box contains 10 screws, 3 of which are defective. Two screws are drawn at random with replacement. The probability that none of the two screws will be defective is: