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Exam: Maharashtra State Board Class 9
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Set · 4 questions
Write the following sets in roster form.
Q1
#1
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Set of even natural numbers
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[QEx 1.1 Q1(i) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q2
#2
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Set of even prime numbers from 1 to 50
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[QEx 1.1 Q1(ii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q3
#3
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Set of negative integers
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[QEx 1.1 Q1(iii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q4
#4
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Seven basic sounds of a sargam (sur)
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[QEx 1.1 Q1(iv) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Set · 3 questions
Write the following symbolic statements in words.
Q5
#5
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
4
3
∈
Q
\frac{4}{3} \in \mathbb{Q}
3
4
∈
Q
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[QEx 1.1 Q2(i) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q6
#6
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
−
2
∉
N
-2 \notin \mathbb{N}
−
2
∈
/
N
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[QEx 1.1 Q2(ii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q7
#7
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
P
=
{
p
∣
p
is an odd number
}
P = \{p \mid p \text{ is an odd number}\}
P
=
{
p
∣
p
is an odd number
}
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[QEx 1.1 Q2(iii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q8
#8
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Write any two sets by listing method and by rule method.
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[QEx 1.1 Q3 · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Set · 5 questions
Write the following sets using listing method.
Q9
#9
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
All months in the indian solar year.
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[QEx 1.1 Q4(i) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q10
#10
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Letters in the word 'COMPLEMENT'.
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[QEx 1.1 Q4(ii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q11
#11
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Set of human sensory organs.
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[QEx 1.1 Q4(iii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q12
#12
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Set of prime numbers from 1 to 20.
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[QEx 1.1 Q4(iv) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q13
#13
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
Names of continents of the world.
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[QEx 1.1 Q4(v) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Set · 5 questions
Write the following sets using rule method.
Q14
#14
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Moderate
Add
A
=
{
1
,
4
,
9
,
16
,
25
,
36
,
49
,
64
,
81
,
100
}
A = \{1, 4, 9, 16, 25, 36, 49, 64, 81, 100\}
A
=
{
1
,
4
,
9
,
16
,
25
,
36
,
49
,
64
,
81
,
100
}
Show model answer
[QEx 1.1 Q5(i) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q15
#15
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Moderate
Add
B
=
{
6
,
12
,
18
,
24
,
30
,
36
,
42
,
48
}
B = \{6, 12, 18, 24, 30, 36, 42, 48\}
B
=
{
6
,
12
,
18
,
24
,
30
,
36
,
42
,
48
}
Show model answer
[QEx 1.1 Q5(ii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q16
#16
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
C
=
{
S
,
M
,
I
,
L
,
E
}
C = \{S, M, I, L, E\}
C
=
{
S
,
M
,
I
,
L
,
E
}
Show model answer
[QEx 1.1 Q5(iii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q17
#17
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
D
=
{
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
}
D = \{\text{Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday}\}
D
=
{
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
}
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[QEx 1.1 Q5(iv) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q18
#18
Mathematics → Sets → Concept of a Set and Methods of Writing Sets
·
Easy
Add
X
=
{
a
,
e
,
t
}
X = \{a, e, t\}
X
=
{
a
,
e
,
t
}
Show model answer
[QEx 1.1 Q5(v) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q19
#19
Mathematics → Sets → Types of Sets
·
Moderate
Add
Decide which of the following are equal sets and which are not? Justify your answer.
A
=
{
x
∣
3
x
−
1
=
2
}
A = \{x \mid 3x - 1 = 2\}
A
=
{
x
∣
3
x
−
1
=
2
}
B
=
{
x
∣
x
is a natural number but
x
is neither prime nor composite.
}
B = \{x \mid x \text{ is a natural number but } x \text{ is neither prime nor composite.}\}
B
=
{
x
∣
x
is a natural number but
x
is neither prime nor composite.
}
C
=
{
x
∣
x
∈
N
,
x
<
2
}
C = \{x \mid x \in \mathbb{N},\ x < 2\}
C
=
{
x
∣
x
∈
N
,
x
<
2
}
Show model answer
[QEx 1.2 Q1 · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q20
#20
Mathematics → Sets → Types of Sets
·
Moderate
Add
Decide whether set A and B are equal sets. Give reason for your answer. A = Even prime numbers
B
=
{
x
∣
7
x
−
1
=
13
}
B = \{x \mid 7x - 1 = 13\}
B
=
{
x
∣
7
x
−
1
=
13
}
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[QEx 1.2 Q2 · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Set · 3 questions
Which of the following are empty sets? why?
Q21
#21
Mathematics → Sets → Types of Sets
·
Moderate
Add
A
=
{
a
∣
a
is a natural number smaller than zero.
}
A = \{a \mid a \text{ is a natural number smaller than zero.}\}
A
=
{
a
∣
a
is a natural number smaller than zero.
}
Show model answer
[QEx 1.2 Q3(i) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q22
#22
Mathematics → Sets → Types of Sets
·
Moderate
Add
B
=
{
x
∣
x
2
=
0
}
B = \{x \mid x^2 = 0\}
B
=
{
x
∣
x
2
=
0
}
Show model answer
[QEx 1.2 Q3(ii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q23
#23
Mathematics → Sets → Types of Sets
·
Moderate
Add
C
=
{
x
∣
5
x
−
2
=
0
,
x
∈
N
}
C = \{x \mid 5x - 2 = 0,\ x \in \mathbb{N}\}
C
=
{
x
∣
5
x
−
2
=
0
,
x
∈
N
}
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[QEx 1.2 Q3(iii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Set · 2 questions
Write with reasons, which of the following sets are finite or infinite.
Q24
#24
Mathematics → Sets → Types of Sets
·
Moderate
Add
A
=
{
x
∣
x
<
10
,
x
is a natural number
}
A = \{x \mid x < 10,\ x \text{ is a natural number}\}
A
=
{
x
∣
x
<
10
,
x
is a natural number
}
Show model answer
[QEx 1.2 Q4(i) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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Q25
#25
Mathematics → Sets → Types of Sets
·
Moderate
Add
B
=
{
y
∣
y
<
−
1
,
y
is an integer
}
B = \{y \mid y < -1,\ y \text{ is an integer}\}
B
=
{
y
∣
y
<
−
1
,
y
is an integer
}
Show model answer
[QEx 1.2 Q4(ii) · Maharashtra State Board (Class 9) — Sets (Balbharati textbook, Part 1 Algebra)]
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