P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

An engineering student has to secure 25% marks to pass. He gets 47 and fails by 43 marks. What are the maximum marks of the examination?

At least two pairs of consecutive angles are congruent in a _____.

If 1/(tanA + cotA) = x, then value of x is

If 2x- 3(4-2x) < 4x - 5 < 4x + 2x/3, then x can take which of the following values?

A thief is stopped by a policeman from a distance of 400 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of policeman as 9 km/h, how far the thief would have run, before he is over -taken by the policeman?

Who is the author of "Interpreter of Maladies"?

First Indian to score a triple century in Test Cricket