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CSIR NET Mathematical Science Mock Test - 10 - UGC NET MCQ


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30 Questions MCQ Test CSIR NET Exam Mock Test Series 2025 - CSIR NET Mathematical Science Mock Test - 10

CSIR NET Mathematical Science Mock Test - 10 for UGC NET 2025 is part of CSIR NET Exam Mock Test Series 2025 preparation. The CSIR NET Mathematical Science Mock Test - 10 questions and answers have been prepared according to the UGC NET exam syllabus.The CSIR NET Mathematical Science Mock Test - 10 MCQs are made for UGC NET 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CSIR NET Mathematical Science Mock Test - 10 below.
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CSIR NET Mathematical Science Mock Test - 10 - Question 1

The mean of six numbers 5, 9, x – 3, x – 1, 16 and 19, is 11. The value of x is:

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 1

The median of six numbers:

CSIR NET Mathematical Science Mock Test - 10 - Question 2

Who invented the BALLPOINT PEN?

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 2

The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.

CSIR NET Mathematical Science Mock Test - 10 - Question 3

A solid cannot change its shape easily compared to liquid because of :-

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 3

Stronger intermolecular force in solid Explanation: In solids, the particles are arranged in a regular pattern, touching each other. They attract each other with a strong force (because they are so small and so close). This means that they cannot change places. So solids cannot change its shape.

CSIR NET Mathematical Science Mock Test - 10 - Question 4

Southern Part of Indian Eastern Coastal Plain is called:

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 4
  • North Circar: Coastal plain from Odisha to Andhra Pradesh
  • Malabar Coast: Coastal plain from Mangalore to Kanyakumari
  • Coromandal Coast: Coastal plain from Andhra Pradesh to Tamil Nadu
  • Konkan Coast: Coastal plain from Gujarat to Goa
CSIR NET Mathematical Science Mock Test - 10 - Question 5

Equal masses of two liquids of densities 3 kg/m3 and 4 kg/m3 are mixed thoroughly. The density of the mixture is-

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 5

Two liquids of densities 3 kg upon metre cube and 4 kg per metre cube.
Let mass of liquid 1 be "m" and mass of liquid 2 be "m"
Formula: Density
Volume of liquid 1,
Volume of liquid 2,
After mixing two liquid
Volume of mixture is
Mass of mixture would be
Let density of mixture be
Thus,

CSIR NET Mathematical Science Mock Test - 10 - Question 6

Two trains of lengths 200 m and 300 m pass each other with constant speeds on parallel tracks in opposite directions. The drivers and guards are at the extremities of the trains. The time gap between the drivers passing each other and first driver-guard pair passing each other is 30s. How much later will the other driver-guard pair pass by?

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 6

Length of 1st train

Speed of 1st train

Length of 2 nd train
Speed of 2 nd
Here question Saying time taken to pass Both trains.Means train has now meet and We have to find after how many seconds both Train will be on passing each.
Then total Length
Total speed
Time = Length/speed
Time
Time second ~ 14s

CSIR NET Mathematical Science Mock Test - 10 - Question 7

The distribution of heights and weights in a population is shown above in a 2-parameter scatter plot. The size of the square is proportional to the number of persons having a particular combination of weight and height.

Which statement best describes the trend in the population ?

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 7
Size of square is proportional to the nubmer of persons. Hence, from the figure it is clear that large heights do not imply proportionately large weights.
CSIR NET Mathematical Science Mock Test - 10 - Question 8

The differential equation has

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 8



Also y = 0 satisfy the condition
So two solutions

CSIR NET Mathematical Science Mock Test - 10 - Question 9

Let p(x) = αx+ βx + γ be a polynomial where α, β, γ ∈ R. Fix X0 ∈ R.

Let

Then the number of elements in S is

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 9

Let is zero polynomial

And fix

for

unique

So (1), (3) and (4) options are incorrect

CSIR NET Mathematical Science Mock Test - 10 - Question 10

The number of 4 digit numbers with no two digit common, is

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 10

First digit of number can be choose in = 9 ways

Digit can be choose in = 9 ways

Digit can be choose in = 8 ways

Digit can be choose in = 7 ways

the required number is

CSIR NET Mathematical Science Mock Test - 10 - Question 11

Let v be the set of all bounded solutions of the

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 11




So v contain only trivial location 

CSIR NET Mathematical Science Mock Test - 10 - Question 12

A farce acts on a particle with position vector . The torque of the farce about the origin is. (December)

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 12



So choice ( 2 ) is answer

CSIR NET Mathematical Science Mock Test - 10 - Question 13

The matrix  is a-

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 13

And

Here

∴ A is Skew-Hermitian.

CSIR NET Mathematical Science Mock Test - 10 - Question 14

If row vectors of a square matrix A are linearly dependent, then—

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 14

|A| = 0

CSIR NET Mathematical Science Mock Test - 10 - Question 15

The solution of - is-

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 15


By Cramer's Rule

CSIR NET Mathematical Science Mock Test - 10 - Question 16

If A is square matrix, then—

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 16

CSIR NET Mathematical Science Mock Test - 10 - Question 17

The series 1 + 3 + 5 + 7 + …… is—

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 17
The partial sum

and there is
is unbounded sequence

is increasing sequence is increasing and unbounded
is divergent
CSIR NET Mathematical Science Mock Test - 10 - Question 18

The solution of the Cauchy problem for the first order PDE

on

with the initial condition x2 + y2 = 1, z = 1 is—

CSIR NET Mathematical Science Mock Test - 10 - Question 19
The partial differential equation can be transformed to for
Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 19

v = e–t u

Hence option A is correct.

CSIR NET Mathematical Science Mock Test - 10 - Question 20

Let A be a 4 × 4 invertible real matrix. Which of the following is not necessarily true?

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 20

A has 4 distinct eigenvalues

Hence option C is correct.

CSIR NET Mathematical Science Mock Test - 10 - Question 21

Let be the Green's function of the boundary value problem  Then the function g defined by

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 21

is continuous

Hence option A is correct.

*Multiple options can be correct
CSIR NET Mathematical Science Mock Test - 10 - Question 22

Given a differential equation

= 0 with initial conditions

The integral equation is— 

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 22

Let,

A Volterra's integral equation of second kind.

CSIR NET Mathematical Science Mock Test - 10 - Question 23

Let and are solution of s. t.

then

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 23

Given a



and are L. I.

and has no common zeros and and has no common point of extrema

(A) and (B) are not true

Now, If or has repeated root

are

If are Neither nor has repeated root

CSIR NET Mathematical Science Mock Test - 10 - Question 24

If A = {0, 1, 2, 3}, B = {1, -1} and R is a relation from A to B such that (x, y) : x ∈ A, y ∈ B and and y = ix where i is the imaginary number} then the range of R is/an:

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 24

Given:

and R is a relation from A to B such that and where i is the imaginary number}

As we know that,

When then

When then

When then

So, the given relation R can be re-written in roaster form as

As we know that, Range .

Range

So, we can say that range of the given relation R is a singleton set.

CSIR NET Mathematical Science Mock Test - 10 - Question 25

An open set that is not an interval is given by

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 25

Now union of two open set is open

In option (3)

(2,3) and (4,5) are open set

⇒ (2, 3) ∪ [4, 5] are open set

Also (2, 3) ∪ [4, 5] are not interval

So choice (3) is answer

CSIR NET Mathematical Science Mock Test - 10 - Question 26

The domain of convergence of the series is

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 26


Here
is converges for

CSIR NET Mathematical Science Mock Test - 10 - Question 27

Let
(B) is closed set
(C)
(D)

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 27


CSIR NET Mathematical Science Mock Test - 10 - Question 28

Given sequence {1/n} —

(A) The nth term is 1/n

(B) The sequence is bounded below

(C) The sequence is bounded above

(D) The sequence is a bounded sequence

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 28

If xn = 1/n
then

(Bounded below)

(Bounded above)

(Bounded below and above)

CSIR NET Mathematical Science Mock Test - 10 - Question 29

Find the correct option:

(A) The set of rational numbers is Lebesgue measurable

(B) The set of rational numbers have Lebesgue outer measure equal to zero

(C) The set of rational numbers is not Lebesgue measurable

(D) The set of rational numbers have Lebesgue out measure equal to one

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 29

Since the set of rational number is countable, it is Lebesgue measurable and its Lebesgue outer measure is equal to zero.

CSIR NET Mathematical Science Mock Test - 10 - Question 30

Let B be an open subset of C and ∂B denote the boundary of B. Which of the following statements are correct ?

Detailed Solution for CSIR NET Mathematical Science Mock Test - 10 - Question 30

According to given question

Option (D) i.e There exist an unbounded open subset B of C and an entire function f such that ∂(f (B)) ⊆ f (∂B) is true .

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