9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A
Published on: 14/06/2021
QB365 provides detailed and simple solution for every book back questions in class 9 Maths subject.It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 9th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Maths Test1.
The area of a triangle whose sides are a, b and c is ________
\(\sqrt { \left( s-a \right) \left( s-b \right) \left( s-c \right) } \)sq. units
\(\sqrt { s\left( s-a \right) \left( s-b \right) \left( s-c \right) } \)sq. units
\(\sqrt { s\left( s\times a \right) \left( s\times b \right) \left( s\times c \right) } \)sq. units
\(\sqrt { s\left( s-a \right) \left( s-b \right) \left( s-c \right) } \) sq. units
2.
A number between 0 and 1 that is used to measure uncertainty is called _______.
Random variable
Trial
Simple event
Probability
3.
If \(\frac { { a }_{ 1 } }{ { a }_{ 2 } } \neq \frac { { b }_{ 1 } }{ { b }_{ 2 } } \) where a1x + b1y + c1 = 0 and a2x + b2 y + c2 = 0 then the given pair of linear equation has _______ solution(s)
no solution
two solutions
unique
infinite
4.
The mean of a, b, c, d and e is 28. If the mean of a, c and e is 24, then mean of b and d is _______.
24
36
26
34
5.
In the given figure, If OP = 17cm PQ = 30, cm and OS is perpendicular to PQ, then RS is ________.
10 cm
6 cm
7 cm
9 cm
6.
If one angle of a cyclic quadrilateral is 75° , then the opposite angle is ________.
100°
105°
85°
90°
7.
Cubic polynomial may have maximum of ________ linear factors.
1
2
3
4
8.
If (x + 5) and (x - 3) are the factors of ax2+bx+c, then values of a, b and c are _______.
1, 2, 3
1, 2,15
1, 2, −15
1, −2,15
9.
When (2\(\sqrt{5}\)-\(\sqrt{2}\))2 is simplified, we get ________.
4\(\sqrt{5}\)+2\(\sqrt{2}\)
22-4\(\sqrt{10}\)
8-4\(\sqrt{10}\)
2\(\sqrt{10}\)-2
10.
The shaded region in the Venn diagram is ________.
Z-(XUY)
(XUY)⋂Z
Z-(X⋂Y)
ZU(X∩Y)
11.
If J = Set of three sided shapes, K = Set of shapes with two equal sides and L = Set of shapes with right angle, then J ∩ K ⋂ L is ________.
Set of isoceles triangles
Set of equilateral triangles
Set of isoceles right triangles
Set of right angled triangles
12.
Find the odd one out of the following.
\(\sqrt { 32 } \times \sqrt { 2 } \)
\(\frac { \sqrt { 27 } }{ \sqrt { 3 } } \)
\(\sqrt { 72 } \times \sqrt { 8 } \)
\(\frac { \sqrt { 54 } }{ \sqrt { 18 } } \)
13.
Degree of the polynomial (y3–2)(y3 + 1) is _______.
9
2
3
6
14.
The smallest rational number by which \(\frac { 1 }{ 3 } \) should be multiplied so that its decimal expansion terminates after one place of decimal is ________.
\(\frac { 1 }{ 10 } \)
\(\frac { 3 }{ 10 } \)
3
30
15.
Which one of the following is an irrational number.
\(\sqrt { 25 } \)
\(\sqrt { \frac { 9 }{ 4 } } \)
\(\frac { 7 }{ 11 } \)
\(\pi\)
16.
Which one of the following has a terminating decimal expansion?
\(\frac { 5 }{ 64 } \)
\(\frac { 8 }{ 9 } \)
\(\frac { 14 }{ 15 } \)
\(\frac { 1 }{ 12 } \)
17.
The Auto fare is found as minimum Rs. 25 for 3 kilometer and thereafter Rs. 12 for per kilometer. Which of the following equations represents the relationship between the total cost ‘c’ in rupees and the number of kilometers n?
c = 25 + n
c = 25 + 12n
c = 25 + (n–3)12
c = (n–3)12
18.
The points (–5, 2) and (2, –5) lie in the ________.
same quadrant
II and III quadrant respectively
II and IV quadrant respectively
IV and II quadrant respectively
19.
Which one of the following, regarding sum of two irrational numbers, is true?
always an irrational number
may be a rational or irrational number
always a rational number
always an integer.
20.
In a class of 50 boys, 35 boys play Carrom and 20 boys play Chess then the number of boys play both games is________.
5
30
15
10
21.
If X = {x : x = 4(n – 1), n ∈ N} and Y = {y : y = 3n – 2n – 1, n ∈ N}, then X∪Y is ______________
W
X
Y
N
22.
If B ⊆ A then n(A∩B) is –––––––––.
n(A – B)
n(B)
n(B – A)
n(A)
23.
The set P = {x | x ∈ Z , –1 < x < 1} is a –––––––––.
Singleton set
Power set
Null set
Subset
24.
The interior angle made by the side in a parallelogram is 90° then the parallelogram is a ________.
rhombus
rectangle
trapezium
kite
25.
The correct statement out of the following is ________.
ΔABC ≅ ΔDEF
ΔABC ≅ ΔDEF
ΔABC ≅ ΔFDE
ΔABC ≅ ΔFED
1.
(d)
\(\sqrt { s\left( s-a \right) \left( s-b \right) \left( s-c \right) } \) sq. units
2.
(d)
Probability
3.
(c)
unique
4.
(d)
34
5.
(d)
9 cm
6.
(b)
105°
7.
(c)
3
8.
(c)
1, 2, −15
9.
(b)
22-4\(\sqrt{10}\)
10.
(c)
Z-(X⋂Y)
11.
(c)
Set of isoceles right triangles
12.
(d)
\(\frac { \sqrt { 54 } }{ \sqrt { 18 } } \)
13.
(d)
6
14.
(b)
\(\frac { 3 }{ 10 } \)
15.
(d)
\(\pi\)
16.
(a)
\(\frac { 5 }{ 64 } \)
17.
(c)
c = 25 + (n–3)12
18.
(c)
II and IV quadrant respectively
19.
(b)
may be a rational or irrational number
20.
(a)
5
21.
(b)
X
22.
(b)
n(B)
23.
(a)
Singleton set
24.
(b)
rectangle
25.
(d)
ΔABC ≅ ΔFED
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
