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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: 14/03/2020
9th Standard Mathematics English Medium All Chapter Book Back and Creative One Marks Questions 2020
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.
If the ratio of the sides of two cubes are 2:3, then ratio of their surface areas will be _______.
4 : 6
4 : 9
6 : 9
16 : 36
2.
The six faces of the dice are called equally likely if the dice is _______.
Small
Fair
Six-faced
Round
3.
The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is _______.
60 cm
45 cm
30 cm
15 cm
4.
The probability of all possible outcomes of a random experiment is always equal to _______.
One
Zero
Infinity
Less than one
5.
The value of \(\frac { sin{ 29 }^{ 0 }31' }{ cos{ 60 }^{ 0 }29' } \) is
0
2
1
-1
6.
The value of 2tan30° tan60° is
1
2
\(2\sqrt { 3 } \)
6
7.
Which of the following statement is true for the equation 2x + 3y = 15
the equation has unique solution
the equation has two solution
the equation has no solution
the equation has infinite solutions
8.
If \(P(\frac{a}{3},\frac{b}{2})\)is the mid-point of the line segment joining A(−4, 3) and B(−2, 4) then (a, b) is ______.
(-9, 7)
\((-3, \frac{7}{2})\)
(9, -7)
\((3, -\frac{7}{2})\)
9.
\(n(A\cup B\cup C)\)=________
n(A) + n(B) + n(C)
n(A) + n(b) + n(C) -\(n\left( A\cap B\cap C \right) \)
\(n\left( A\cap B\cap C \right) \)
n(A) + n(B) + n(C) -\(n\left( A\cap B \right) \)-\(n\left( B\cap A \right) -n\left( A\cap C \right) +n\left( A\cap B\cap C \right) \)
10.
Which of the following is true?
\(\left( A\cup B \right) =B\cup A\)
\({ \left( A\cup B \right) }^{ ' }{ A }^{ ' }{ -B }^{ ' }\)
\({ \left( A\cap B \right) }^{ ' }={ A }^{ ' }\cap { B }^{ ' }\)
\(A-\left( B\cap C \right) =\left( A-B \right) \cap \left( A-C \right) \)
11.
(a-b) (a2+ab+b2)=_________
a2 + b3 + c3 - 3abc
a2 - b2
a3 + b3
a3 - b3
12.
If x - 2 is a factor of q(x), then the remainder is___________
q(-2)
x - 2
0
-2
13.
Which is the best example of a number written in scientific notation?
2.71 \(\times\) 105
0.6 \(\times\) 104
0.9871
125.4 \(\times\) 104
14.
For which set of numbers do the mean, median and mode all have the same values?
2,2,2,4
1,3,3,3,5
1,1,2,5,6
1,1,2,1,5
15.
Let m be the mid point and b be the upper limit of a class in a continuous frequency distribution. The lower limit of the class is
2m-b
2m+b
m-b
m-2b
16.
The mean of 5, 9, x, 17, and 21 is 13, then find the value of x _______.
9
13
17
21
17.
For which set of numbers do the mean, median and mode all have the same values?
2, 2, 2, 4
1, 3, 3, 3, 5
1, 1, 2, 5, 6
1, 1, 2, 1, 5
18.
In the figure, ABCD is a cyclic quadrilateral in which DC produced to E and CF is drawn parallel to AB such that ㄥADC = 80° and ㄥECF = 20°, then ㄥBAD = ?
100°
20°
120°
110°
19.
GCD of any two prime numbers is _______.
-1
0
1
2
20.
\(\sqrt{27}\)+\(\sqrt{12}\) = ________.
\(\sqrt{39}\)
5\(\sqrt{6}\)
5\(\sqrt{3}\)
3\(\sqrt{5}\)
21.
If U = {x : x\(\in \)N and x<10}, A = {1, 2, 3, 5, 8} and B = {2, 5, 6, 7, 9}, then n[(A∪B)′] is ________.
1
2
4
8
22.
Orthocentre of a triangle is the point of concurrency of _______
medians
altitudes
angle bisectors
perpendicular bisectors of side
23.
The point of concurrency of the medians of a triangle is known as __________
circumcentre
incentre
orthocentre
centroid
24.
The value of \(\bar { 0.03 } \) +\(\bar { 0.03 } \) is ___________.
\(\bar { 0.09 } \)
\(\bar { 0.09 } \)
\(\bar { 0.09 } \)
0
25.
The diagonal of a square formed by the points (1, 0), (0, 1), (-1, 0) and (0, - 1) is_______________
2
4
\(\sqrt{2}\)
8
26.
The point which is on y-axis with ordinate - 5 is _____________
(0, -5)
(-5,0)
(5,0)
(0,5)
27.
The distance between the two points ( 2, 3 ) and ( 1, 4 ) is ______.
2
\(\sqrt { 56 } \)
\(\sqrt { 10 } \)
\(\sqrt { 2 } \)
28.
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.
29.
If U = {x | x ∈ N, x < 10} and A = {x | x ∈ N, 2 ≤ x < 6} then (A′)′ is –––––––––.
{1, 6, 7, 8, 9}
{1, 2, 3, 4}
{2, 3, 4, 5}
{ }
30.
In the quadrilateral ABCD, AB = BC and AD = DC Measure of ∠BCD is ________.
150°
30°
105°
72°
1.
(b)
4 : 9
2.
(b)
Fair
3.
(c)
30 cm
4.
(a)
One
5.
(c)
1
6.
(b)
2
7.
(d)
the equation has infinite solutions
8.
(a)
(-9, 7)
9.
(d)
n(A) + n(B) + n(C) -\(n\left( A\cap B \right) \)-\(n\left( B\cap A \right) -n\left( A\cap C \right) +n\left( A\cap B\cap C \right) \)
10.
(a)
\(\left( A\cup B \right) =B\cup A\)
11.
(d)
a3 - b3
12.
(c)
0
13.
(a)
2.71 \(\times\) 105
14.
(b)
1,3,3,3,5
15.
(a)
2m-b
16.
(b)
13
17.
(b)
1, 3, 3, 3, 5
18.
(c)
120°
19.
(c)
1
20.
(c)
5\(\sqrt{3}\)
21.
(a)
1
22.
(b)
altitudes
23.
(d)
centroid
24.
(c)
\(\bar { 0.09 } \)
25.
(a)
2
26.
(a)
(0, -5)
27.
(d)
\(\sqrt { 2 } \)
28.
(b)
may be a rational or irrational number
29.
(c)
{2, 3, 4, 5}
30.
(c)
105°
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
