12th Standard Syllabus & Materials
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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Published on: 09/11/2020
12th Standard Business Maths English Medium Free Online Test Book Back 1 Mark Questions with Answer Key
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.
Δf(x) = _______.
f(x+ h)
f(x) − f(x+h)
f(x + h) − f(x)
f (x) − f(x−h)
2.
In a non – degenerate solution number of allocations is _______.
Equal to m+n–1
Equal to m+n+1
Not equal to m+n–1
Not equal to m+n+1
3.
The order and degree of the differential equation \(\sqrt { \frac { { d }^{ 2 }y }{ { dx }^{ 2 } } } =\sqrt { \frac { dy }{ dx } +5 } \) are respectively ______.
2 and 3
3 and 2
2 and 1
2 and 2
4.
A time series consists of ________.
Five components
Four components
Three components
Two components
5.
A __________ of statistical individuals in a population is called a sample.
Infinite set
finite subset
finite set
entire set
6.
ഽ2xdx is _______.
2x log 2 + c
2x + c
\(\frac { 2^{ x } }{ log2 } +c\)
\(\frac { log2 }{ { 2 }^{ x } } +c\)
7.
If X ~ N(9,81) the standard normal variate Z will be ________.
\(Z=\frac { X- 81 }{ 9 } \)
\(Z=\frac { X-9 }{ 81 } \)
\(Z=\frac { X-9 }{ 9 } \)
\(Z=\frac { 9-X }{ 9 } \)
8.
Demand of products per day for three days are 21, 19, 22 units and their respective probabilities are 0.29, 0.40, 0.35. Profit per unit is 0.50 paisa then expected profits for three days are ________.
21, 19, 22
21.5, 19.5, 22.5
0.29, 0.40, 0.35
3.045, 3.8, 3.85
9.
Area bounded by the curve y = e−2x between the limits 0 ≤ x ≤ ∞ is ________.
1 sq.units
\(\frac{1}{2}\) sq.unit
5 sq.units
2 sq.units
10.
The rank of m x n matrix whose elements are unity is ________.
0
1
m
n
1.
(c)
f(x + h) − f(x)
2.
(a)
Equal to m+n–1
3.
(c)
2 and 1
4.
(b)
Four components
5.
(b)
finite subset
6.
(c)
\(\frac { 2^{ x } }{ log2 } +c\)
7.
(c)
\(Z=\frac { X-9 }{ 9 } \)
8.
(d)
3.045, 3.8, 3.85
9.
(b)
\(\frac{1}{2}\) sq.unit
10.
(b)
1
12th Standard Syllabus & Materials
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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
