Question : Directions: Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter series.
_ V J R W B _ _ R W B V L _ _ B V _ _ W

Question : Which of the following cost is related to marginal cost ?

Question : Equilibrium out is determined by:

Question : The area of the circle with radius $y$ is $w$. The difference between the areas of the bigger circle (with radius $y$) and that of the smaller circle (with radius $x$) is $w^1$. So, $\frac{x}{y}$ is equal to:

Question : If $x=2+\sqrt3$, then the value of $\frac{x^{2}-x+1}{x^{2}+x+1}$ is: