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TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set D
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set C
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Biology Zoology - Reproduction in Organisms Creative Questions Study Material - QB365 Set A
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TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set C
Published on: 09/11/2020
12th Standard Business Maths English Medium Free Online Test Creative 1 Mark Questions - Part Three
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.
The normal equations for estimating a and b so that the line y = ax + b may be the line of best fit are __________
aΣx2 + bΣx = Σxy, aΣx + nb = Σy
aΣx + bΣx2 = Σxy, aΣx2 + nb = Σy
aΣx + nb = Σxy, aΣx2 + bΣx = Σy
aΣx2 + nb = Σxy, aΣx + bΣx = Σy
2.
Which of the following statements is true?
point estimate gives a range of value
sampling is done only to estimate a statistic
sampling is done to estimate the population parameter
sampling is not possible for an infinite population
3.
If Z is a standard normal variate, then p(0
0.5
1
0.25
0.75
4.
Given E(X + c) = 8 and E(X - c) = 12, then the value of c is ___________
-2
4
-4
2
5.
To assign different jobs to the different machines to minimize the overall cost is ___________
transportation problem
assignment problem
minimax principle
maximin principle
6.
If y = k.eλx then its differential equation where k is arbitrary constant is _____________
\(\frac { dy }{ dx } \)= λy
\(\frac { dy }{ dx } \)= ky
\(\frac { dy }{ dx } \)+ky = 0
\(\frac { dy }{ dx } \)= eλx
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 A is a singular matrix, then Adj A is ___________
non-singular
singular
symmetric
not defined
9.
If c is a constant, then Δc = ______________
c.∆
c.∇
0
1
10.
The area enclosed by the curve y = cos2x in [0,\(\pi\)] the lines x=0, x = \(\pi\) and the X-axis is ________sq.units.
2\(\pi\)
2\(\pi\)
\(\frac{2}{\pi}\)
\(\frac{\pi}{2}\)
1.
(a)
aΣx2 + bΣx = Σxy, aΣx + nb = Σy
2.
(c)
sampling is done to estimate the population parameter
3.
(a)
0.5
4.
(a)
-2
5.
(b)
assignment problem
6.
(a)
\(\frac { dy }{ dx } \)= λy
7.
(a)
\(\frac { { -e }^{ -x } }{ { e }^{ x }+{ e }^{ -x } } \)
8.
(b)
singular
9.
(c)
0
10.
(d)
\(\frac{\pi}{2}\)
12th Standard Syllabus & Materials
12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set B
NEW12th Standard
TN 12th Standard Physics Electronics and Communication Creative Questions Study Material - QB365 Set A
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NEW12th Standard
TN 12th Standard Physics Wave Optics Creative Questions Study Material - QB365 Set C
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
