List of top Mathematics Questions

Which one of the following is an infinite set ?
Which one of the following is true always for any two non-singular matrices A and B of same order ?
Which one of the following relations on $R$ is an equivalence relation?
Which term of the G.P. $2, 2\sqrt{2}, 4$,.....is 64 ?
Write the converse of the following statement. If you do all the exercises in the book, you get an $A$-grade in the class.
$ (x^2 + xy) dy = (x^2 + y^2) dx$ is
$Z = 7x + y$, subject to $5x + y \ge 5, x + y \ge 3, x \ge 0, y \ge 0$. The minimum value of Z occurs at
Which of the following expressions are meaningfull operations?
Which of the following compound statements is true after writing the component statements of each compound statement?
Which of the following cannot be the probability of an event?
Which of the following are functions ?
What is the value of $\tan^{-1} x + \cot^{-1} x $ ?
What is the value of $\sin \, 10^{\circ} + \sin \, 50^{\circ} - \sin \, 70^{\circ}$ ?
What is the value of $\left( \sin 22 \frac{1^{\circ}}{2} + \cos \, 22 \frac{1^{\circ} }{2} \right)^4$ ?
What is the value of $^nC_n$ ?
What is the value of $^nC_0$ ?
What is the value of $^nP_0$?
What is the value of $\cot ( - 870^{\circ})$ ?
What is the probability that an ordinary year has $53$ Tuesdays?
What is the reciprocal of $3+\sqrt{7}\,i$ ?
What is the polar form of the complex number $\left(i^{25}\right)^{3}$ ?
What is the number of ways of choosing $4$ cards from a pack of $52$ playing cards? In how many of these, four cards are of the same suit?
What is the length of the perpendicular from the origin to the plane $ax + by + \sqrt{2ab} z = 1$ ?
What is the equivalent definition of the function given by $f(X) = \begin{cases} 2x , & x \ge 0 \\ 0,& x < 0 \end{cases} $ ?
What is the area of the triangle whose vertices are (0,0,0) (3, 4, 0) and (3, 4, 6) ?