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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
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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 1 Mark Questions 2020 - Part Seven
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.
A balloon rises straight up at 10 m/s. An observer is 40 m away from the spot where the balloon left the ground. The rate of change of the balloon's angle of elevation in radian per second when the balloon is 30 metres above the ground.
\(\frac{3}{25} \text { radians } / \mathrm{sec}\)
\(\frac{4}{25} \text { radians } / \mathrm{sec}\)
\(\frac{1}{5} \text { radians } / \mathrm{sec}\)
\(\frac{1}{3} \text { radians } / \mathrm{sec}\)
2.
3.
If \((2+\sqrt{3})^{x^{2}-2 x+1}+(2-\sqrt{3})^{x^{2}-2 x-1}=\frac{2}{2-\sqrt{3}}\) then x = _________
0, 2
0, 1
0, 3
0, √3
4.
If 0 ≤ θ ≤ π and the system of equations x + (sinθ)y - (cosθ)z = 0, (cosθ)x - y +z = 0, (sinθ)x + y - z = 0 has a non-trivial solution then θ is
\(\frac { 2\pi }{ 3 } \)
\(\frac { 3\pi }{ 4 } \)
\(\frac { 5\pi }{ 6 } \)
\(\frac { \pi }{ 4 } \)
5.
The locus of a point whose distance from (-2,0) is \(\frac { 2 }{ 3 } \) times its distance from the line x = \(\frac { -9 }{ 2 } \) is
a parabola
a hyperbola
an ellipse
a circle
6.
The radius of the circle passing through the point(6, 2) two of whose diameter are x + y = 6 and x + 2y = 4 is
10
\( {2} \sqrt {5}\)
6
4
7.
8.
9.
10.
The conjugate of a complex number is \(\cfrac { 1 }{ i-2 } \). Then the complex number is
\(\cfrac { 1 }{ i+2 } \)
\(\cfrac { -1 }{ i+2 } \)
\(\cfrac { -1 }{ i-2 } \)
\(\cfrac { 1 }{ i-2 } \)
1.
(b)
\(\frac{4}{25} \text { radians } / \mathrm{sec}\)
2.
(c)
3.
(a)
0, 2
4.
(d)
\(\frac { \pi }{ 4 } \)
5.
(c)
an ellipse
6.
(b)
\( {2} \sqrt {5}\)
7.
(c)
8.
(b)
9.
(a)
10.
(b)
\(\cfrac { -1 }{ i+2 } \)
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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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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