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 One Mark Questions with Answer Key 2020 - Part Ten
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.
If the variance of a Poisson distribution is 0.5. Then p(X = 3) is _________ (e-0.5= 0.6066)
0.1206
0.0126
0.1260
12.60
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.
V(4X + 3) is _________
7
16V(X)
4V(X)
19
4.
The degree of the differential equation \(\sqrt { 1+\left( \frac { { d }y }{ dx } \right) ^{ \frac { 1 }{ 3 } } } =\frac { { d }^{ 2 }y }{ dx^{ 2 } } \) is _____________
1
2
3
6
5.
E-nf(x) is ______________
F(x + nh)
F(x - nh)
F(-nh)
f(x - n)
6.
The area bounded by the curve y = 4ax and the lines y2 = 2a and Y-axis is _______ sq. units.
\(\frac{2a}{3}\)
2a2
\(\frac{a^2}{3}\)
\(\frac{2a^2}{3}\)
7.
The variable separable form of \(\frac { dy }{ dx } =\frac { y(x-y) }{ x(x+y) } \) by taking y = vx and \(\frac { dy }{ dx } =v+x\frac { dv }{ dx } \) is ______.
\(\frac { 2{ v }^{ 2 } }{ 1+v } dv=\frac { dx }{ x } \)
\(\frac { 2{ v }^{ 2 } }{ 1+v } dv=-\frac { dx }{ x } \)
\(\frac { 2{ v }^{ 2 } }{ 1-v } dv=\frac { dx }{ x } \)
\(\frac { 1+v }{ 2{ v }^{ 2 } } dv=-\frac { dx }{ x } \)
8.
\(\int _{ 2 }^{ 4 }{ \frac { dx }{ x } } \) is _______.
log 4
0
log 2
log 8
9.
If MR and MC denote the marginal revenue and marginal cost and MR − MC = 36x − 3x2 − 81 , then the maximum profit at x is equal to ________.
3
6
9
5
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)
0.0126
2.
(a)
all
3.
(b)
16V(X)
4.
(d)
6
5.
(b)
F(x - nh)
6.
(d)
\(\frac{2a^2}{3}\)
7.
(d)
\(\frac { 1+v }{ 2{ v }^{ 2 } } dv=-\frac { dx }{ x } \)
8.
(c)
log 2
9.
(c)
9
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
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு எடுத்துக்காட்டுகள் மற்றும் நெறிமுறைகள் 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
NEW12th Standard
TN 12th Computer Applications PHP-உடன் MySQL-ஐ இணைத்தல் Sample Question Papers Study Material - QB365 Set A
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
