List of top Questions asked in KCET- 2018

Identify the odd one from the following.

In a Fraunhofer diffraction at a single slit, if yellow light illuminating the slit is replaced by blue light, then diffraction bands

The negation of the statement "72 is divisible by 2 and 3" is

In a simultaneous throw of a pair of dice, the probability of getting a total more than 7 is

A bag contains 17 tickets numbered from 1 to 17. A ticket is draw at random, then another ticket is drawn at random, then another ticket is drawn without replacing the first one . The probability that both the tickets may show even numbers is

A flashlight has 10 batteries out of which 4 are dead. If 3 batteries are selected without replacement and tested, then the probability that all 3 are dead is

Dead burnt plaster is

If $\left( \frac{ 1 - i}{1 + i}\right)^{96} = a + ib $ then (a,b) is

If $A = \begin{bmatrix}2&-2\\ -2&2\end{bmatrix}$ then $A^n = 2^k A,$ where k =

Gold sol is not a

Conjunctive tissue is present between (i) and (ii) in (iii) .

If $A = \begin{bmatrix}\cos\alpha&\sin\alpha\\ - \sin\alpha&\cos\alpha\end{bmatrix}$ , then $AA' = $

Everybody in a room shakes hands with everybody else. The total number of handshakes is 45. The total number of persons in the room is

If A and B are mutually exclusive events , given that $P(A) = \frac{3}{5} , P(B) = \frac{1}{5}$, then P(A or B) is

The distance between the foci of a hyperbola is 16 and its eccentricity is $\sqrt{2}$. Its equation is

The angle between the lines $2x = 3y = - z$ and $6x = - y = - 4z$ is

The feasible region of an LPP is shown in the figure . If $z = 3x + 9y ,$ then the minimum value of z occurs at

The IUPAC name of $[Co(NH_3)_4 Cl(NO_2)]Cl$ is

A die is thrown four times. The probability of getting perfect square in at least one throw is

The density of an electron-hole pair in a pure germanium is $3 \times 10^{16} \, m^{-3}$ at room temperature. On doping with aluminium, the hole density increases to $4.5 \times 10^{22} \, m^{-3}$. Now the electron density (in $m^{-3}$) in doped germanium will be

A particle shows distance-time curve as shown in the figure. The maximum instantaneous velocity of the particle is around the point

The electronic configuration of transition element "X", is +3, oxidation state is $ {[Ar] 3d^5}$. What is its atomic number ?

For the probability distribution given by $X=x_{i}$ 0 1 2 $p_{i}$ $\frac{25}{36}$ $\frac{5}{18}$ $\frac{1}{36}$ the standard deviation $(\sigma)$ is

The constant term in the expansion of $\left(x^2 - \frac{1}{x^2} \right)^{16}$ is

The maximum area of a rectangle inscribed in the circle $(x + 1)^2 + (y - 3)^2 = 64$ is