Which one of the following sportspersons from Haryana is related to some other sports than the other three mentioned?
Choose the alternative which is an odd word/number/letter pair out of the given alternatives.
If f : [2, ∞) → B defined by f (x) = x2 - 4x + 5is a bijection, then B =
The two lines of regression are 2x - 7y + 6 = 0 and 7x – 2y +1 = 0. What is correlation coefficient between x and y ?
The equation 2x2 – 3xy + 5y2 + 6x – 3y + 5 = 0 represents.
If A is a square matrix such that A3 = I , then A−1 is equal to
The largest term in the expansion of (1+x)19 when x = 1/2 is
Focus and vertex of the parabola that touches x-axis at (1, 0) and x = y at (1, 1) are (h, k) and (p, q) then the value of 25(p + q +h + k)
The curve described parametrically by x = t2 + t + 1, y = t2 - t + 1 represents
Let g (x) be continuous in a neighbourhood of ‘a’ and g (a) ≠ 0. Let f be a function such that f ‘ (x) = g(x) (x−a)2 , then
If A is a matrix of order 3 × 5 and B is a matrix of order 5 × 3, then the order of AB and BA will respectively b
The coordinates of two diagonally opposite vertices of a rectangle are (4, 3) and (-4,-3). Find the number of such rectangle(s), if the other two vertices also have integral coordinates.
(2015)
Probability that A speaks truth is 4/5. A coin is tossed, a reports that a head appears. The probability that actually there was head is
From any point on the hyperbola tangents are drawn to the hyperbola
The area cut off by the chord of contact on the asymptotes is equal to
In a class of 100 students, 55 students have passed in Mathematics and 67 students have passed in Physics. Then the number of students who have passed in Physics only is:
If set A has 4 elements and B = {5, 6}, then the number of elements in A x B are
A team of 7 players is to be formed out of 5 under 19 players and 6 senior players. In how many ways, the team can be chosen when at least 4 senior players are included?
General Solution of (ex + e-x) dy - (ex - e-x) dx = 0