List of top Questions asked in COMEDK UGET

The contrapositive of the statement "If $x^2 - 1 = 0$, then $x = -1$ or $x = + 1$ " is
The locus of the centre of the circle of radius 3 which rolls on the outside of the circle $x^2+y^2 + 3x - 6y - 9 = 0$ is
The perpendicular distance between the lines $9x^2- 24xy + 16y^2 + 21x- 28y+ 10 = 0$ is
$ \frac{1 -\tan^2 15^\circ}{1 + \tan^2 15^\circ} = $
The conjugate acid and base of $ {HPO^{2-}_{4}}$ respectively are
The length of the latus rectum of the parabola $bx^2 - 4ay + dx + e = 0$ is
Complex forming tendency of central metal ion increases with
The metal ion present in insulin is?
If $|\vec{a} | = 15 , |\vec{b} | = 12$ and $|\vec{a} + \vec{b} | = 20 $ then $|\vec{a} - \vec{b} | = $
$ \sin^2 5^{\circ} + \sin^2 10^{\circ} + \sin^2 15^{\circ} +....+ \sin^2 90^{\circ} $ =
If $^nC_1 + 2\, ^nC_2 + .... + n\, ^nC_n = 2n^2$, then $ n = $
If $Z$ is a complex number with $I Z I = 1$ and $Z + \frac{1}{Z} = x + iy$, then $xy = $
An inductor coil when connected to a $12 \, V$ batt.ery draws a steady current $6 \, A$. This coil when connected in series with a capacitor and an $AC$ source of $10 \, V$, current is in phase with applied voltage. $AC $ meter included in the circuit reads
A bilaterally symmetrical deuterostorne is classified in the phylum
The slopes of the tangent and normal at $(0, 1)$ for the curve $y = \sin x + e^x$ are respectively
A spontaneous reaction is impossible if.
Charges $4Q$ and $Q$ are kept separated by a certain distance and are placed at $A$ and $B$, respectively. Electric intensity at $B $ is $E$. Electric intensity at $A$ is
Abody of mass m is raised through a distance equal to the radius of the earth, (R), from the earth surface. Increase in potential energy is
A wire of resistance $9 \Omega$ is uniformly stretched such that.its radius becomes $1/3$ of the original radius. Ratio of the new to old resistance is
Smooth and pegged rhizoids are present in the gametophytes of .
In a titration, 25 $cm^3$ of 0.1 N oxalic acid solution requires 20 $cm^3$ of sodium hydroxide for complete neutralization. The mass of sodium hydroxide in 250 $cm^3$ solution is
Dulong and Petit's law (At. mass $\times$ Specific heat = 6.4) is valid only for
Which of the following mixtures can be used to prepare a buffer solution ?
Golden rice is rich in
Which of the following is not a mineral of iron?