12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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Published on: 09/11/2020
12th Standard Business Maths English Medium Free Online Test 1 Mark Questions 2020 - Part Nine
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.
Choose the odd one out
Secular trend
seasonal variation
Simple averages
cyclic variations
2.
There are _______ branches of statistical inference.
1
2
3
4
3.
If the mean is λ and variance is σ2 in a Poisson distribution, then
\(\lambda =\frac { { \sigma }^{ 2 } }{ 2 } \)
σ2=\(\frac { \lambda }{ 2 } \)
λ=σ2
σ2=λ
4.
A discrete random variable. X has the probability mass function p(x), then __________ is true.
0≤P(X)≤1
P(X)≥0
P(X)≤1
0
5.
Operation research is an analytical method of ___________
problem solving
decision making
optimal cost of transportation
unit cost of transportation
6.
∇ = ______________
∇ . ∆
E-1 Δ
E . Δ
E2Δ
7.
Which of the following is the homogeneous differential equation?
(3x−5)dx = (4y−1)dy
xy dx−(x3+y3)dy = 0
y2dx+(x2 − xy − y2)dy = 0
(x2+y)dx = (y2+x)dy
8.
If f (x) is a continuous function and a < c < b, then \(\int_{a}^{c} f(x) d x+\int_{c}^{b} f(x) d x\) is _______.
\(\int_{a}^{b} f(x) d x-\int_{a}^{c} f(x) d x\)
\(\int_{a}^{c} f(x) d x-\int_{a}^{b} f(x) d x\)
\(\int_{a}^{b} f(x) d x\)
0
9.
The marginal cost function is MC = 100 \(\sqrt x\). find AC given that TC = 0 when the out put is zero is ________.
\(\frac { 200 }{ 3 } { x }^{ \frac { 1 }{ 2 } }\)
\(\frac { 200 }{ 3 } { x }^{ \frac { 3 }{ 2 } }\)
\(\frac { 200 }{ { 3x }^{ \frac { 3 }{ 2 } } } \)
\(\frac { 200 }{ { 3x }^{ \frac { 1 }{ 2 } } } \)
10.
\(\left| { A }_{ n\times n } \right| \) = 3 \(\left| adjA \right| \) = 243 then the value n is _______.
4
5
6
7
1.
(c)
Simple averages
2.
(b)
2
3.
(c)
λ=σ2
4.
(a)
0≤P(X)≤1
5.
(d)
unit cost of transportation
6.
(b)
E-1 Δ
7.
(c)
y2dx+(x2 − xy − y2)dy = 0
8.
(c)
\(\int_{a}^{b} f(x) d x\)
9.
(a)
\(\frac { 200 }{ 3 } { x }^{ \frac { 1 }{ 2 } }\)
10.
(c)
6
12th Standard Syllabus & Materials
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TN 12th Computer Applications களப்பெயர் முறைமை (DNS) 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
