Chief Editor
Chief Editor
 Nov 24, 2022
4
$\rm{25^{\circ} \, C}$ to $\rm{35^{\circ} \, C}$ temperature is good for which of the following process?
Difficulty: Easy
A:

Preparation of formalin

B:

Fermentation

C:

Dow's method

D:

Methanol

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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
Monochromatic light means waves of:
Difficulty: Easy
A:
Same frequency
B:
Same color
C:
Same wavelength
D:
All
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
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

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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)
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:

$21$

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If $A = \{1, 2, 3\}$ and $B = \{4, 5, 6\}$ then find the number of subsets of $A \cup B$ are
Difficulty: Easy
A:

8

B:

16

C:

32

D:

64

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
When Akram entered the room, he was in a jubilant mood. The antonym of the highlighted word is:
Difficulty: Easy
A:

Penitent

B:

Serious

C:

Defeated

D:

Depressed

What is the area of a rectangular room whose length is $5 - 3i$ and width is $2i$?
Difficulty: Easy
A:

$6+10i$

B:

$5-i$

C:

$16$

D:

$8$

View Solution Steps
What is the nth term of the sequence $1,3,5,7 \space ...$
Difficulty: Easy
A:

$2n - 1$

B:

$2n + 3$

C:

$2n$

D:

It is impossible to find the nth term for such a sequence

View Solution Steps
The prisoner was released on ______ for good behavior
Difficulty: Hard
A:
parole
B:
grounds
C:
probation
D:
bail
A function is said to be even when
Difficulty: Easy
Verified By ClassNotes
A:

$f(x)=f(x)$

B:

$f(-x)=f(x)$

C:

$f(-x)=-f(x)$

D:

None of these

View Solution Steps
$\frac{(n-1)!}{(n+1)!}=?$
Difficulty: Easy
Verified By ClassNotes
A:

$n+1$

B:

$\frac{n}{2}$

C:

$n-1$

D:

None of these

View Solution Steps
His speeches were insipid. The antonym of the highlighted word is:
Difficulty: Easy
A:

Informative

B:

Lively

C:

Shocking

D:

Insightful

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
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
A type of IP address that does not change frequently is known as?
Difficulty: Easy
A:
Constant
B:
Permanent
C:
Static
D:
Fixed
Choose the synonym of Sultry:
Difficulty: Hard
A:

Solvable

B:

Sticky

C:

Salty

D:

Hot and humid

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