12th Standard Syllabus & Materials
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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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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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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 1 Mark Questions 2020 - Part Five
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 f(x) = kx(1-x), 0< x < 1 is a p.d.f. then the value of k is ________.
\(\frac{1}{5}\)
\(\frac{2}{5}\)
\(\frac{3}{5}\)
6
2.
\(\int _{ 0 }^{ 1 }{ \frac { 1 }{ 2x-3 } } \) dx = ____________
\(\frac { 1 }{ 2 } log3\)
\(-\frac { 1 }{ 2 } log3\)
\(\frac { 1 }{ 2 } log1\)
0
3.
E [c.f(x)] = ___________ where c is a constant
E (f(c)
c. Ef(x)
E\(\left( \frac { f}{c } \right) \)
E(-fc)
4.
The are bounded by the demand curve xy = 1, the X-axis, x = 1 and x = 2 is ________
log 2
log \(\frac{1}{2}\)
2 log 2
\(\frac{1}{2}\)log 2
5.
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
6.
If f (x) is a continuous function and a < c < b, then \(\int_{a}^{c} f(x) d x+\int_{c}^{b} f(x) d x\) is _______.
\(\int_{a}^{b} f(x) d x-\int_{a}^{c} f(x) d x\)
\(\int_{a}^{c} f(x) d x-\int_{a}^{b} f(x) d x\)
\(\int_{a}^{b} f(x) d x\)
0
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.
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.
When x0 = 5 and p0 = 3 the consumer’s surplus for the demand function pd = 28 − x2 is ________.
250 units
\(\frac{250}{3}\)units
\(\frac{251}{2}\) units
\(\frac{251}{3}\) units
10.
If \(\left| A \right| \neq 0,\) then A is _______.
non-singular matrix
singular matrix
zero matrix
none of these
1.
(a)
\(\frac{1}{5}\)
2.
(b)
\(-\frac { 1 }{ 2 } log3\)
3.
(b)
c. Ef(x)
4.
(a)
log 2
5.
(c)
y2dx+(x2 − xy − y2)dy = 0
6.
(c)
\(\int_{a}^{b} f(x) d x\)
7.
(d)
-0.21
8.
(b)
0 and 1
9.
(b)
\(\frac{250}{3}\)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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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
