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: 05/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 12 Business Maths Subject. It will helps to get more idea about question pattern in every book back questions with solution.
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.
E f (x)= _______.
f(x− h)
f (x)
f(x+ h)
f(x+ 2h)
2.
In an assignment problem involving four workers and three jobs, total number of assignments possible are _______.
4
3
7
12
3.
The complementary function of (D2+ 4)y = e2x is ______.
(Ax +B)e2x
(Ax +B)e−2x
A cos 2x + B sin 2x
Ae−2x+ Be2x
4.
The quantities that can be numerically measured can be plotted on a ________.
p - chart
c – chart
x bar chart
np – chart
5.
A ________ is a statement or an assertion about the population parameter.
hypothesis
statistic
sample
census
6.
ഽ\(\frac { { e }^{ x } }{ \sqrt { { 1+e }^{ x } } } \) dx is _______.
\(\frac { { e }^{ x } }{ \sqrt { { 1+e }^{ x } } } +c\)
\(2\sqrt { 1+{ e }^{ x } } +c\)
\(\sqrt { 1+{ e }^{ x } } +c\)
\({ e }^{ x }\sqrt { 1+{ e }^{ x } } +c\)
7.
A statistical analysis of long-distance telephone calls indicates that the length of these calls is normally distributed with a mean of 240 seconds and a standard deviation of 40 seconds. What proportion of calls lasts less than 180 seconds?
0.214
0.094
0933
0.067
8.
E[X-E(X)]2 is ________.
E(X)
E(X2)
V(X)
S.D(X)
9.
If the marginal revenue MR = 35 + 7x − 3x2, then the average revenue AR is ________.
35x + \(\frac { 7{ x }^{ 2 } }{ 2 } -{ x }^{ 3 }\)
35x + \(\frac { 7{ x }^{ 2 } }{ 2 } -{ x }^{ 2 }\)
35 +\(\frac { 7{ x }^{ 2 } }{ 2 } +{ x }^{ 2 }\)
35 + 7x + x2
10.
If \(\rho (A)\) = r then which of the following is correct?
all the minors of order r which does not vanish
A has at least one minor of order r which does not vanish
A has at least one (r+1) order minor which vanishes
all (r+1) and higher order minors should not vanish
1.
(c)
f(x+ h)
2.
(b)
3
3.
(c)
A cos 2x + B sin 2x
4.
(c)
x bar chart
5.
(a)
hypothesis
6.
(b)
\(2\sqrt { 1+{ e }^{ x } } +c\)
7.
(d)
0.067
8.
(c)
V(X)
9.
(b)
35x + \(\frac { 7{ x }^{ 2 } }{ 2 } -{ x }^{ 2 }\)
10.
(b)
A has at least one minor of order r which does not vanish
12th Standard Syllabus & Materials
12th Standard
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Tamilnadu Stateboard 12th Standard Subjects
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Biology
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Business Maths and Statistics
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Accountancy
History
Computer Applications
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Computer Science
Business Maths and Statistics
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