12th Standard Syllabus & Materials
12th Standard
TN 12th English Poem - 6 - Incident of the French Camp Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 6 - On the Rule of the Road Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 5 - The Chair Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Supplementary - 4 - The Midnight Visitor Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Poem - 4 - Ulysses Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 4 - The Summit Sample Question Papers Study Material - QB365 Set A
Published on: 09/11/2020
12th Standard Business Maths English Medium Free Online Test Book Back 1 Mark Questions with Answer Key - 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.
Most commonly used index numbers are _________ index number
diffusion
price
value
none of these
2.
If f (x)=x2 + 2x + 2 and the interval of differencing is unity then Δf (x) _______.
2x −3
2x +3
x + 3
x − 3
3.
Decision theory is concerned with _______.
analysis of information that is available
decision making under certainty
selecting optimal decisions in sequential problem
All of the above
4.
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
5.
Type II error is ______.
Accept H0 when it is wrong
Accept H0 when it is true
Reject H0 when it is true
Reject H0 when it is false
6.
\(\Gamma \left( \frac { 3 }{ 2 } \right) \) _______.
\(\sqrt { \pi } \)
\(\frac { \sqrt { \pi } }{ 2 } \)
\(2\sqrt { \pi } \)
\(\frac32\)
7.
If P(Z > z) = 0.5832 what is the value of z (z has a standard normal distribution)?
-0.48
0.48
1.04
-0.21
8.
The height of persons in a country is a random variable of the type ________.
discrete random variable
continuous random variable
both (a) and (b)
neither (a) nor (b)
9.
The area bounded by the parabola y2 = 4x bounded by its latus rectum is ________.
\(\frac { 16 }{ 3 } \) sq.units
\(\frac { 8 }{ 3 } \) sq.units
\(\frac { 72 }{ 3 } \) sq.units
\(\frac { 1 }{ 3 } \) sq.units
10.
\(\left| { A }_{ n\times n } \right| \) = 3 \(\left| adjA \right| \) = 243 then the value n is _______.
4
5
6
7
1.
(d)
none of these
2.
(b)
2x +3
3.
(d)
All of the above
4.
(c)
y2dx+(x2 − xy − y2)dy = 0
5.
(a)
Accept H0 when it is wrong
6.
(b)
\(\frac { \sqrt { \pi } }{ 2 } \)
7.
(d)
-0.21
8.
(b)
continuous random variable
9.
(b)
\(\frac { 8 }{ 3 } \) sq.units
10.
(c)
6
12th Standard Syllabus & Materials
12th Standard
TN 12th English Supplementary - 3 - The Hour of Truth (Play) Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Poem - 3 - All the World’s a Stage Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Prose - 3 - In Celebration of Being Alive Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th English Supplementary - 2 - Life of Pi 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
