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 Creative One Mark Questions with Answer Key - Part Two
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.
An additive model of time series with the components T, S, C and I is __________
y = T + S + C - I
y = T + S x C + I
y = T + S + C + I
y = T + S + C x I
2.
The standard error of the sample mean is __________
Type I error
Type II error
Standard deviation of the sampling distribution of the mean
Variance of the sampling distribution of the mean.
3.
In a poison distribution, mean is 16, then standard deviation is ___________
4
128
256
20
4.
X is a discrete random variable. Which take values 0,1,2 and P(X = 0) = \(\frac{144}{169}\), P(X = 1) = \(\frac{1}{169}\), then the value of P(X = 2) is ________
\(\frac{145}{169}\)
\(\frac{24}{169}\)
\(\frac{2}{169}\)
\(\frac{143}{169}\)
5.
Vogel's approximation method yields an initial basic feasible solution which is very close to the solution.
maximum
minimum
optimum
unique
6.
The differential equation satisfied by all the straight lines in xy plane is _____________
\(\frac { dy }{ dx } \)=a constant
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)=0
y+ \(\frac { dy }{ dx } \) = 0
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)+y=0
7.
\(\int { \frac { 2 }{ { \left( { e }^{ x }+{ e }^{ -x } \right) }^{ 2 } } } \) dx = ____________ +c
\(\frac { { -e }^{ -x } }{ { e }^{ x }+{ e }^{ -x } } \)
\(-\frac { { -e }^{ -x } }{ { e }^{ x }+{ e }^{ -x } } \)
\(\frac { 1 }{ { \left( { e }^{ x }+1 \right) }^{ 2 } } \)
\(\frac { 1 }{ { e }^{ x }-{ e }^{ -x } } \)
8.
If \(\left| \begin{matrix} 2x & 5 \\ 8 & x \end{matrix} \right| =\left| \begin{matrix} 6 & -2 \\ 7 & 3 \end{matrix} \right| \) then x =
3
± 3
± 6
6
9.
Δ can be defined as Δf(x) =f(x + h) -f(x) where h is the __________ interval of spacing
equal
unequal
equal & unequal
equal or unequal
10.
The area of the region bounded by the line 2y = -x + 8, X - axis and the lines x = 2 and x = 4 is ________ sq.units.
\(\frac{1}{5}\)
\(\frac{2}{5}\)
5
\(\frac{5}{2}\)
1.
(c)
y = T + S + C + I
2.
(c)
Standard deviation of the sampling distribution of the mean
3.
(a)
4
4.
(b)
\(\frac{24}{169}\)
5.
(c)
optimum
6.
(b)
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)=0
7.
(a)
\(\frac { { -e }^{ -x } }{ { e }^{ x }+{ e }^{ -x } } \)
8.
(c)
± 6
9.
(a)
equal
10.
(c)
5
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 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
French
Tamilnadu Stateboard Standards
