12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

Published on: 05/11/2020
12th Standard Maths English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Two
Download Tamil Nadu 12th 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.
2.
Angle between y2 = x and x2 = y at the origin is
\({ tan }^{ -1 }\cfrac { 3 }{ 4 } \)
\({ tan }^{ -1 }\left( \cfrac { 4 }{ 3 } \right) \)
\(\cfrac { \pi }{ 2 } \)
\(\cfrac { \pi }{ 4 } \)
3.
If z = a + ib lies in quadrant then \(\frac { \bar { z } }{ z } \) also lies in the III quadrant if _________
a > b > 0
a < b < 0
b < a < 0
b > a > 0
4.
5.
The value of \({ cos }^{ -1 }\left( \cos\cfrac { 5\pi }{ 3 } \right) +sin^{ -1 }\left( \sin\cfrac{5\pi }{ 3 } \right) \) is ______________
\(\cfrac { \pi }{ 2 } \)
\(\cfrac { 5\pi }{ 3 } \)
\(\cfrac { 10\pi }{ 3 } \)
0
6.
In the system of liner equations with 3 unknowns If \(\rho\) (A) = \(\rho\) ([A|B]) =1, the system has ________
unique solution
inconsistent
consistent with 2 parameter -family of solution
consistent with one parameter family of solution.
7.
If ax2 + bx + c = 0, a, b, c \(\in\) R has no real zeros, and if a + b + c < 0, then __________
c>0
c<0
c=0
c≥0
8.
If \(\rho\) (A) = r then which of the following is correct?
all the minors of order n which do not vanish
'A' has at least one minor of order r which does not vanish and all higher order minors vanish
'A' has at least one (r + 1) order minor which vanish
all (r + 1) and higher order minors should not vanish
9.
If A = \(\left[ \begin{matrix} 1 & \tan { \frac { \theta }{ 2 } } \\ -\tan { \frac { \theta }{ 2 } } & 1 \end{matrix} \right] \) and AB = I2, then B =
\(\left( \cos ^{ 2 }{ \frac { \theta }{ 2 } } \right) A\)
\(\left( \cos ^{ 2 }{ \frac { \theta }{ 2 } } \right) { A }^{ T }\)
\(\left( \cos ^{ 2 }{ \theta } \right) I\)
(Sin2\(\frac { \theta }{ 2 } \))A
10.
The area of the triangle formed by the complex numbers z, iz and z+iz in the Argand’s diagram is
\(\cfrac { 1 }{ 2 } \left| z \right| ^{ 2 }\)
|z|2
\(\cfrac { 3 }{ 2 } \left| z \right| ^{ 2 }\)
2|z|2
1.
(d)
2.
(c)
\(\cfrac { \pi }{ 2 } \)
3.
(c)
b < a < 0
4.
(b)
5.
(d)
0
6.
(c)
consistent with 2 parameter -family of solution
7.
(b)
c<0
8.
(b)
'A' has at least one minor of order r which does not vanish and all higher order minors vanish
9.
(b)
\(\left( \cos ^{ 2 }{ \frac { \theta }{ 2 } } \right) { A }^{ T }\)
10.
(a)
\(\cfrac { 1 }{ 2 } \left| z \right| ^{ 2 }\)
12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications களப்பெயர் முறைமை (DNS) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications கணினி வலையமைப்பு ஓர் அறிமுகம் Sample Question Papers Study Material - QB365 Set A
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Tamilnadu Stateboard 12th Standard Subjects

Maths

Chemistry

Physics

Biology

Computer Science

Business Maths and Statistics

Economics

Commerce

Accountancy

History

Computer Applications

Biology

Computer Technology

Computer Applications

Computer Science

Business Maths and Statistics

Commerce

Economics

Maths

Chemistry

Physics

Computer Technology

History

Accountancy

Tamil

English

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Tamilnadu Stateboard Standards