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 Six
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.
Fine data relating to x and yare to be fit in a straight line. It is found that Σx = 0 and Σy = 15. Then the y- intercept of the line is_____
1
2
3
42
2.
A die is thrown 10 times. Getting a number greater than 3 is considered a success. The S.D of the number of successes is
2.5
1.58
5
25
3.
If X is a discrete random variable., then which of the following is correct?
0≤F(x)≤1
F(-∞)=0,F(∞)≤1
P(X=Xn)=F(Xn)-F(Xn-1)
F(x) is a constant function
4.
The least cost method is more economical than North West Corner Rule, since it starts with the ___________
least cost
minimum cost
maximum cost
lower beginning cost
5.
Lagrange’s interpolation formula can be used for _______.
equal intervals only
unequal intervals only
both equal and unequal intervals
none of these.
6.
A homogeneous differential equation of the form \(\frac { dx }{ dy } \) = f\(\left( \frac { y }{ x } \right) \) can be solved by making substitution,______.
x = v y
y = v x
y = v
x = v
7.
If n > 0, then \(\Gamma \)(n) is _______.
\(\int _{ 0 }^{ 1 }{ { e }^{ -x }x^{ n-1 } } \) dx
\(\int _{ 0 }^{ 1 }{ { e }^{ -x }{ x }^{ n } } dx\)
\(\int _{ 0 }^{ \infty }{ { e }^{ x }{ x }^{ -n } } \ dx\)
\(\int _{ 0 }^{ \infty }{ { e }^{ -x }{ x }^{ n-1 } } \ dx\)
8.
A discrete probability function p(x) is always non-negative and always lies between ________.
0 and \(\infty \)
0 and 1
–1 and +1
–∞ and +∞
9.
Area bounded by y = ex between the limits 0 to 1 is ________.
( e −1) sq.units
( e +1) sq.units
\(\left( 1-\frac { 1 }{ e } \right) \)sq.units
\(\left( 1+\frac { 1 }{ e } \right) \)sq.units
10.
If \(\left| A \right| \neq 0,\) then A is _______.
non-singular matrix
singular matrix
zero matrix
none of these
1.
(c)
3
2.
(b)
1.58
3.
(c)
P(X=Xn)=F(Xn)-F(Xn-1)
4.
(c)
maximum cost
5.
(c)
both equal and unequal intervals
6.
(a)
x = v y
7.
(d)
\(\int _{ 0 }^{ \infty }{ { e }^{ -x }{ x }^{ n-1 } } \ dx\)
8.
(b)
0 and 1
9.
(a)
( e −1) sq.units
10.
(a)
non-singular matrix
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
