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 Three
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.
3.
If A = \(\left[ \begin{matrix} \frac { 3 }{ 5 } & \frac { 4 }{ 5 } \\ x & \frac { 3 }{ 5 } \end{matrix} \right] \) and AT = A−1, then the value of x is
\(\frac { -4 }{ 5 } \)
\(\frac { -3 }{ 5 } \)
\(\frac { 3 }{ 5 } \)
\(\frac { 4 }{ 5 } \)
4.
If A, B and C are invertible matrices of some order, then which one of the following is not true?
adj A = |A|A-1
adj(AB) = (adj A)(adj B)
det A-1 = (det A)-1
(ABC)-1 = C-1B-1A-1
5.
If A is a 3 \(\times\) 3 non-singular matrix such that AAT = ATA and B = A-1AT, then BBT =
A
B
I3
BT
6.
If the coordinates at one end of a diameter of the circle x2 + y2 − 8x − 4y + c = 0 are (11, 2), the coordinates of the other end are
(-5, 2)
(-3, 2)
(5, -2)
(-2, 5)
7.
The principal argument of \(\cfrac { 3 }{ -1+i } \) is
\(\cfrac { -5\pi }{ 6 } \)
\(\cfrac { -2\pi }{ 3 } \)
\(\cfrac { -3\pi }{ 4 } \)
\(\cfrac { -\pi }{ 2 } \)
8.
If |z1| = 1, |z2| = 2, |z3| = 3 and |9z1z2 + 4z1z3 + z2z3| = 12, then the value of |z1+z2+z3| is
1
2
3
4
9.
If z is a non zero complex number, such that 2iz2 = \(\bar { z } \) then |z| is
\(\cfrac { 1 }{ 2 } \)
1
2
3
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.
(c)
2.
(c)
3.
(a)
\(\frac { -4 }{ 5 } \)
4.
(b)
adj(AB) = (adj A)(adj B)
5.
(c)
I3
6.
(b)
(-3, 2)
7.
(c)
\(\cfrac { -3\pi }{ 4 } \)
8.
(b)
2
9.
(a)
\(\cfrac { 1 }{ 2 } \)
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
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TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
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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