12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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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 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.
A random sample of 500 apples was taken from large consignment and 45 of them were found to be bad. Then the standard error is __________
0.033
0.0128
0.0128
0.00128
2.
Which of the following are correct?
(i) E(aX+b) = a E(X) + b
(ii) μ2 = μ21 - (μ11)2
(iii) μ2 = variance
(iv) V (a X + b) = a2 V(x)
all
i, ii and iii
ii and iii
i and iv
3.
_____determines the lowest out comes for each alternative.
Least cost
Minimax criteria
Maximin criteria
Payoff matrix
4.
Integrating factor of \(\frac { dy }{ dx } +\frac { 1 }{ xlogx } y=\frac { 2 }{ x^{ 2 } } \) is ______
ex
log x
\(\frac{1}{x}\)
e-x
5.
\(\int { \frac { { x }^{ 5 }-{ x }^{ 4 } }{ { x }^{ 3 }-{ x }^{ 2 } } } \)dx = __________ +c
1
\(\frac { x }{ 2 } \)
\(\frac { { x }^{ 3 } }{ 2 } \)
\(\frac { { x }^{ 2 } }{ 2 } \)
6.
E-nf(x) is ______________
F(x + nh)
F(x - nh)
F(-nh)
f(x - n)
7.
The value of \(\int _{ 2 }^{ 3 }{ f(5-x) } dx-\int _{ 2 }^{ 3 }{ f(x) } dx\) is _______.
1
0
-1
5
8.
A manufacturer produces switches and experiences that 2 per cent switches are defective. The probability that in a box of 50 switches, there are atmost two defective is ________.
2.5 e-1
e-1
2e-1
none of the above
9.
The demand function for the marginal function MR = 100 − 9x2 is ________.
100 − 3x2
100x − 3x2
100x − 9x2
100 + 9x2
10.
Cramer’s rule is applicable only to get an unique solution when _______.
\({ \triangle }_{ z }\neq 0\)
\({ \triangle }_{ x }\neq 0\)
\({ \triangle } \neq 0\)
\({ \triangle }_{ y }\neq 0\)
1.
(b)
0.0128
2.
(a)
all
3.
(c)
Maximin criteria
4.
(b)
log x
5.
(c)
\(\frac { { x }^{ 3 } }{ 2 } \)
6.
(b)
F(x - nh)
7.
(b)
0
8.
(a)
2.5 e-1
9.
(a)
100 − 3x2
10.
(c)
\({ \triangle } \neq 0\)
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 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
