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: 13/05/2022
QB365 provides detailed and simple solution for every
Book back Questions in class 12 Business Maths Subject. It will helps to get more idea about question pattern in every Book back questions with solution.
12роЖроорпН ро╡роХрпБрокрпНрокрпБ Business Maths and Statistics / ро╡рогро┐роХроХрпН роХрогро┐родроорпН рооро▒рпНро▒рпБроорпН рокрпБро│рпНро│ро┐ропро┐ропро▓рпН родрооро┐ро┤рпН роорпАроЯро┐ропроорпН | рооро╛родро┐ро░ро┐ ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН | роорпБроХрпНроХро┐роп ро╡ро┐ройро╛роХрпНроХро│рпН | роХрпЗро│рпНро╡ро┐ ро╡ро┐роЯрпИ родрпКроХрпБрокрпНрокрпБ | ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН | рокрпКродрпБродрпНродрпЗро░рпНро╡рпБ рооро╛родро┐ро░ро┐ ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН , Business Maths and Statistics / ро╡рогро┐роХроХрпН роХрогро┐родроорпН рооро▒рпНро▒рпБроорпН рокрпБро│рпНро│ро┐ропро┐ропро▓рпН рокро╛роЯродрпНродро┐ро▒рпНроХро╛рой рооро╛родро┐ро░ро┐ ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН, роорпБроХрпНроХро┐роп роХрпЗро│рпНро╡ро┐-ро╡ро┐роЯрпИроХро│рпН, роТро░рпБрооро╛ро░рпНроХрпН роХрпЗро│рпНро╡ро┐роХро│рпН, роХро╛ро▓ро╛рогрпНроЯрпБ & рокрпКродрпБродрпНродрпЗро░рпНро╡рпБ роХрпЗро│рпНро╡ро┐родрпН родрпКроХрпБрокрпНрокрпБроХро│рпН
Questions + Answers key
Take MCQ Business Maths and Statistics Test
1.
\(\left( \begin{matrix} 1 & 1 & 1 \\ 1 & 2 & 3 \\ 1 & 4 & 9 \end{matrix} \right) \)роОройрпНро▒ роЕрогро┐ропро┐ройрпН родро░роорпН _____.
0
1
2
3
2.
A =\(\left( \begin{matrix} 2 & 0 \\ 0 & 8 \end{matrix} \right) \)роОройро┐ро▓рпН, ρ(A)= ______.
0
1
2
n
3.
роОройрпНрокродрпБ роТро░рпБ рооро╛ро▒рпБродро▓рпН роиро┐роХро┤рпНродроХро╡рпБ роЕрогро┐ роОройро┐ро▓рпН,роЪроороиро┐ро▓рпИропро┐ро▓рпН A-ройрпН роородро┐рокрпНрокрпБ _____.
\(\frac{1}{4}\)
\(\frac{1}{5}\)
\(\frac{1}{6}\)
\(\frac{1}{8}\)
4.
роТро╡рпНро╡рпКро░рпБ роЙро▒рпБрокрпНрокрпБроорпН 1 роОройроХрпН роХрпКрогрпНроЯ m x n ро╡ро░ро┐роЪрпИ роЙроЯрпИроп роЕрогро┐ропро┐ройрпН родро░роорпН______.
0
1
m
n
5.
A=(1 2 3) роОройро┐ро▓рпН, AAT -ройрпН родро░роорпН ________.
0
2
3
1
1.
A = \(\left( \begin{matrix} 1 & 1 & 1 \\ 1 & 2 & 3 \\ 1 & 4 & 9 \end{matrix} \right) \)
~ \(\left( \begin{matrix} 1 & 1 & 1 \\ 0 & 1 & 2 \\ 0 & 3 & 8 \end{matrix} \right)R_2 \rightarrow R_2 - R_1\\ \quad \quad \quad \quad \quad R_3\rightarrow R_3 -R_1 \)
~ \(\left( \begin{matrix} 1 & 1 & 1 \\ 0 & 1 & 2 \\ 0 & 0 & 2 \end{matrix} \right)R_3 \rightarrow R_3 - 3R_2\)
ρ(A)= 3
2.
(c)
2
3.
роЪроороиро┐ро▓рпИропро┐ро▓рпН
= (A B)
0.4A + 0.2B = A
0.4A + 0.2(1 - A) = A
0.4A + 0.2-0.2A = A
0.2 = A –0.2A
0.2 = 0.8A
A = 2/8 = 1/4
4.
(b)
1
5.
A ройрпН ро╡ро░ро┐роЪрпИ 1 x 3
AT - ройрпН ро╡ро░ро┐роЪрпИ 3 x 1
A AT - ройрпН ро╡ро░ро┐роЪрпИ 1 x 1
∴ A AT - ройрпН родро░роорпН = 1
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 WorldтАЩs 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
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