10th Standard Syllabus & Materials
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TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Supplementary - 3 - The Story of Mulan Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Supplementary - 2 - Zigzag Important Questions And Answers Study Material - QB365 Set A
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TN 10th English Poem - 2 - The Grumble Family Important Questions And Answers Study Material - QB365 Set A

Published on: 04/12/2020
10th Standard Mathematics English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 3
Download Tamil Nadu 10th 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.
(sec A + tan A)(1 - sin A) is equal to ___________
sec A
sin A
cosec A
cos A
2.
If the co-efficient of variation and standard deviation of a data are 35% and 7.7 respectively then the mean is ___________
20
30
25
22
3.
A spherical steel ball is melted to make 8 new identical balls. Then the radius each new ball is how much times the radius of the original ball?
\(\frac { 1 }{ 3 } \)
\(\frac { 1 }{ 4 } \)
\(\frac { 1 }{ 2 } \)
\(\frac { 1 }{ 8 } \)
4.
Find the slope of the line 2y = x + 8 ____________
\(\frac { 1 }{ 2 } \)
1
8
2
5.
Two concentric circles if radii a and b where a>b are given. The length of the chord of the circle which touches the smaller circle is ____________
\(\sqrt { { a }^{ 2 }-{ b }^{ 2 } } \)
\(\sqrt { { a }^{ 2 }-{ b }^{ 2 } } \)
\(\sqrt { { a }^{ 2 }+{ b }^{ 2 } } \)
\(2\sqrt { { a }^{ 2 }+{ b }^{ 2 } } \)
6.
S and T are points on sides PQ and PR respectively of \(\Delta PQR\) If PS = 3cm, AQ = 6 cm, PT = 5 cm, and TR = 10 cm and then QR
4 ST
5 ST
3 ST
3 QR
7.
Choose the correct answer
(i) Every scalar matrix is an identity matrix
(ii) Every identity matrix is a scalar matrix
(iii) Every diagonal matrix is an identity matrix
(iv) Every null matrix is a scalar matrix
(i) and (iii) only
(iii) only
(iv) only
(ii) and (iv) only
8.
The HCF of two polynomials p(x) and q(x) is 2x(x + 2) and LCM is 24x(x + 2)2 (x - 2) if p(x) = 8x3 + 32x2 + 32x, then q(x) ___________
4x3-16x
6x3-24x
12x3+24x
12x3-24x
9.
Sum of infinite terms of G.P is 12 and the first term is 8. What is the fourth term of the G.P?
\(\frac { 8 }{ 27 } \)
\(\frac { 4 }{ 27 } \)
\(\frac { 8 }{ 20 } \)
\(\frac { 1 }{ 3 } \)
10.
What is the HCF of the least prime and the least composite number?
1
2
3
4
11.
If f(x) = mx + n, when m and n are integers f(-2) = 7, and f(3) = 2 then m and n are equal to ___________
-1, -5
1, -9
-1, 5
1, 9
12.
A cylinder 10 cone and have there are of a equal base and have the same height. what is the ratio of there volumes?
3:1:2
3:2:1
1:2:3
1:3:2
13.
If ∆ABC is right angled at C, then the value of cos (A + B) is ___________
0
1
\(\frac{1}{2}\)
\(\frac{\sqrt{3}}{2}\)
14.
15.
The mean of 100 observations is 40 and their standard deviation is 3. The sum of squares of all observations is
40000
160900
160000
30000
16.
A tower is 60 m height. Its shadow is x metres shorter when the sun’s altitude is 45° than when it has been 30°, then x is equal to
41.92 m
43.92 m
43 m
45.6 m
17.
The first term of an arithmetic progression is unity and the common difference is 4. Which of the following will be a term of this A.P.
4551
10091
7881
13531
18.
When proving that a quadrilateral is a parallelogram by using slopes you must find
The slopes of two sides
The slopes of two pair of opposite sides
The lengths of all sides
Both the lengths and slopes of two sides
19.
The point of intersection of 3x − y = 4 and x + y = 8 is
(5, 3)
(2, 4)
(3, 5)
(4, 4)
20.
In the adjacent figure \(\angle BAC\) = 90o and AD\(\bot \)BC then

BD.CD = BC2
AB.AC = BC2
BD.CD = AD2
AB.AC = AD2
21.
In a hollow cylinder, the sum of the external and internal radii is 14 cm and the width is 4 cm. If its height is 20 cm, the volume of the material in it is
5600\(\pi\) cm3
1120\(\pi\) cm3
56\(\pi\) cm3
3600\(\pi\) cm3
22.
Let f(x) = \(\sqrt { 1+x^{ 2 } } \) then
f(xy) = f(x).f(y)
f(xy) ≥ f(x).f(y)
f(xy) ≤ f(x).f(y)
None of these
23.
24.
Which of the following should be added to make x4 + 64 a perfect square
4x2
16x2
8x2
-8x2
1.
(d)
cos A
2.
(d)
22
3.
(c)
\(\frac { 1 }{ 2 } \)
4.
(a)
\(\frac { 1 }{ 2 } \)
5.
(b)
\(\sqrt { { a }^{ 2 }-{ b }^{ 2 } } \)
6.
(c)
3 ST
7.
(d)
(ii) and (iv) only
8.
(b)
6x3-24x
9.
(a)
\(\frac { 8 }{ 27 } \)
10.
(b)
2
11.
(c)
-1, 5
12.
(a)
3:1:2
13.
(a)
0
14.
(d)
15.
(b)
160900
16.
(b)
43.92 m
17.
(c)
7881
18.
(b)
The slopes of two pair of opposite sides
19.
(c)
(3, 5)
20.
(c)
BD.CD = AD2
21.
(b)
1120\(\pi\) cm3
22.
(c)
f(xy) ≤ f(x).f(y)
23.
(c)
24.
(b)
16x2
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards