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: 09/11/2020
12th Standard Business Maths English Medium Free Online Test One Mark Questions with Answer Key 2020 - Part Eight
Download Tamil Nadu 12th Standard Business Maths and Statistics 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 Business Maths and Statistics Test

1.
If F(x) is the probability distribution function, then F(∞) is ________.
1
2
∞
0
2.
V(4X + 3) is _________
7
16V(X)
4V(X)
19
3.
The particular integral of the differential equation \(\frac { d^{ 2 }y }{ { dx }^{ 2 } } -5\frac { dy }{ dx } \)+6y=e5x is _______
\(\frac { e^{ 5x } }{ 6 } \)
\(\frac { xe^{ 5x } }{ 21 } \)
6e5x
\(\frac { { e }^{ 5x } }{ 25 } \)
4.
The integrating factor of (1+x2)\(\frac { dy }{ dx } \)+xy = (1+x2)3 is _____________
\(\sqrt { 1+{ x }^{ 2 } } \)
log(1+x2)
etan-1x
log(tan-1x)
5.
A homogeneous differential equation of the form \(\frac { dx }{ dy } \) = f\(\left( \frac { y }{ x } \right) \) can be solved by making substitution,______.
x = v y
y = v x
y = v
x = v
6.
Using the factorial representation of the gamma function, which of the following is the solution for the gamma function \(\Gamma \)(n) when n = 8 _______.
5040
5400
4500
5540
7.
If the area to the left of a value of z (z has a standard normal distribution) is 0.0793, what is the value of z?
-1.41
1.41
-2.25
2.25
8.
A discrete probability function p(x) is always non-negative and always lies between ________.
0 and \(\infty \)
0 and 1
–1 and +1
–∞ and +∞
9.
The profit of a function p(x) is maximum when ________.
MC − MR = 0
MC = 0
MR = 0
MC + MR = 0
10.
The system of linear equations x + y + z = 2, 2x + y − z = 3, 3x + 2y + k = 4 has unique solution, if k is not equal to _______.
4
0
-4
1
1.
(a)
1
2.
(b)
16V(X)
3.
(a)
\(\frac { e^{ 5x } }{ 6 } \)
4.
(a)
\(\sqrt { 1+{ x }^{ 2 } } \)
5.
(a)
x = v y
6.
(a)
5040
7.
(a)
-1.41
8.
(b)
0 and 1
9.
(a)
MC − MR = 0
10.
(b)
0
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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TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
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

French
Tamilnadu Stateboard Standards