Chief Editor
Chief Editor
 Nov 24, 2022
4
Choose the antonym of Neglected:
Difficulty: Easy
A:

Defended

B:

Attended

C:

Ignored

D:

None

During electrolysis, electrons are:
Difficulty: Easy
A:
Lost by anions and gained by cations
B:
Gained by nions and lost by cations
C:
Gained only
D:
Lost only
Choose the meaning of Implacable:
Difficulty: Easy
A:

Wish

B:

Encouragement

C:

Cruel

D:

Loyalty

The addition and subtraction of two matrices $A$ and $B$ requires that the matrices be
Difficulty: Easy
A:

Of equal dimension

B:

Rectangular

C:

Square

D:

Identity

View Solution Steps
$\sqrt{-1}$ belongs to set of
Difficulty: Easy
A:

Real number

B:

Complex number

C:

Natural number

D:

Irrational number

View Solution Steps
If $A=\begin{bmatrix}4&7&2&9\end{bmatrix}$and $B=\begin{bmatrix}12\\1\\5\\6 \end{bmatrix}$ then AB=
Difficulty: Easy
A:
Not possible
B:
119
C:
102
D:
34
If $z=x+iy$ then |z|=
Difficulty: Hard
A:

$\sqrt{x^{2}+y^{2}}$

B:

$\sqrt{x^{2}-y^{2}}$

C:

$x^{2}+y^{2}$

D:

$x^{2}-y^{2}$

View Solution Steps
How many terms are there in the expansion of $(1+x)^{n}$
Difficulty: Easy
Verified By ClassNotes
A:

$2^{n}$

B:

$n^{2}$

C:

$n+1$

D:

$n-1$

View Solution Steps
An IP address consists of:
Difficulty: Easy
A:
Five number (0-99)
B:
Four number (0 to 255)
C:
Four number (0-256)
D:
Five number (0-255)
A cell which produces electrical current by an oxidation reduction reaction is called:
Difficulty: Easy
A:
Electrolytic cell
B:
Voltaic cell
C:
Reversible cell
D:
Standard cell
Product of a complex number with its own conjugate is a
Difficulty: Medium
A:

Prime number

B:

Imaginary number

C:

Real number

D:

Real and imaginary number

View Solution Steps
The circumference of a circle is equal to:
Difficulty: Easy
A:
$2 \pi r$
B:
$\pi r$
C:
$\pi^{2} r$
D:
None
Derivative of $2x^{5}$ is
Difficulty: Easy
Verified By ClassNotes
A:

$10$

B:

$10x$

C:

$10x^{4}$

D:

$10x^{6}$

View Solution Steps
The reactivity of alcohol when O-H bonds break is given as
Difficulty: Easy
A:

Tertiary Alcohol > Secondary Alcohol > Primary Alcohol

B:

Primary Alcohol > Secondary Alcohol > Tertiary Alcohol

C:

Primary Alcohol > Secondary Alcohol < Tertiary Alcohol

D:

Tertiary Alcohol > Primary Alcohol > Secondary Alcohol

View Solution Steps
How many terms are there in the AP, in which $a_{1}=11, a_{n}=68, d=3$
Difficulty: Easy
A:

$30$

B:

$27$

C:

$20$

D:

$21$

View Solution Steps
This was her maiden performance and she did very well. The synonym of the highlighted word is:
Difficulty: Hard
A:

Primary

B:

First

C:

Girlish

D:

Fresh

$A\cap B =B$ is only true, when
Difficulty: Easy
A:

$A\subseteq B$

B:

$A=\phi$

C:

$B\subseteq A$

D:

None of the above

View Solution Steps
If $A=\begin{bmatrix}2 & -2&4 \\0 & -3&-4\end{bmatrix}$ and $B=\begin{bmatrix}1 & -5&6 \\4 & -2&-3\end{bmatrix}$ then $A-B$
Difficulty: Easy
A:

Not possible

B:

$\begin{bmatrix}1 & -7&10\\4 & -5&-7\end{bmatrix}$

C:

$\begin{bmatrix}3 & -7&10\\4 & -5&-7\end{bmatrix}$

D:

$\begin{bmatrix}1 & 3&-2\\-4 & -1&-1\end{bmatrix}$

View Solution Steps
Frequency of red color as compared to that of violet color is:
Difficulty: Easy
A:
Equal
B:
Smaller
C:
Greater
D:
None
Choose the meaning of Juxtapose:
Difficulty: Easy
A:

Fate

B:

Contrast

C:

Danger

D:

Time

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