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 மின் - வணிக பாதுகாப்பு அமைப்புகள் 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: 02/09/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Business Maths Subject - Integral Calculus – II, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
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.
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1.
Area bounded by y = \(\left| x \right| \) between the limits 0 and 2 is ________.
1sq.units
3 sq.units
2 sq.units
4 sq.units
2.
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
3.
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
4.
For a demand function p, if \(\int \frac{d p}{p}=k \int \frac{d x}{x}\) then k is equal to ________.
\(\eta \)d
-\(\eta \)d
\(\frac{-1}{\eta_{d}}\)
\(\frac{1}{\eta_{d}}\)
5.
6.
If MR and MC denote the marginal revenue and marginal cost and MR − MC = 36x − 3x2 − 81 , then the maximum profit at x is equal to ________.
3
6
9
5
7.
The demand and supply function of a commodity are D(x) = 25 − 2x and S(x) = \(\frac { 10+x }{ 4 } \) then the equilibrium price P0 is ________.
5
2
3
10
8.
The demand and supply function of a commodity are P(x) = (x − 5)2 and S(x)= x2 + x + 3 then the equilibrium quantity x0 is ________.
5
2
3
19
9.
The marginal cost function is MC = 100 \(\sqrt x\). find AC given that TC = 0 when the out put is zero is ________.
\(\frac { 200 }{ 3 } { x }^{ \frac { 1 }{ 2 } }\)
\(\frac { 200 }{ 3 } { x }^{ \frac { 3 }{ 2 } }\)
\(\frac { 200 }{ { 3x }^{ \frac { 3 }{ 2 } } } \)
\(\frac { 200 }{ { 3x }^{ \frac { 1 }{ 2 } } } \)
10.
The producer’s surplus when the supply function for a commodity is P = 3 + x and x0 = 3 is ________.
\(\frac{5}{2}\)
\(\frac{9}{2}\)
\(\frac{3}{2}\)
\(\frac{7}{2}\)
11.
Area bounded by y = x between the lines y = 1, y = 2 with y = axis is ________.
\(\frac{1}{2}\) sq.units
\(\frac{5}{2}\) sq.units
\(\frac{3}{2}\) sq.units
1 sq.unit
12.
When x0 = 2 and P0 = 12 the producer’s surplus for the supply function Ps = 2x2 + 4 is ________.
\(\frac{31}{5}\)units
\(\frac{31}{2}\) units
\(\frac{32}{3}\) units
\(\frac{30}{7}\) units
13.
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
14.
The demand function for the marginal function MR = 100 − 9x2 is ________.
100 − 3x2
100x − 3x2
100x − 9x2
100 + 9x2
15.
For the demand function p(x), the elasticity of demand with respect to price is unity then ________.
revenue is constant
cost function is constant
profit is constant
none of these
16.
The profit of a function p(x) is maximum when ________.
MC − MR = 0
MC = 0
MR = 0
MC + MR = 0
17.
If the marginal revenue MR = 35 + 7x − 3x2, then the average revenue AR is ________.
35x + \(\frac { 7{ x }^{ 2 } }{ 2 } -{ x }^{ 3 }\)
35x + \(\frac { 7{ x }^{ 2 } }{ 2 } -{ x }^{ 2 }\)
35 +\(\frac { 7{ x }^{ 2 } }{ 2 } +{ x }^{ 2 }\)
35 + 7x + x2
18.
The given demand and supply function are given by D(x) = 20 − 5x and S(x) = 4x + 8 if they are under perfect competition then the equilibrium demand is ________.
40
\(\frac{41}{2}\)
\(\frac{40}{3}\)
\(\frac{41}{5}\)
19.
The marginal revenue and marginal cost functions of a company are MR = 30 − 6x and MC = −24 + 3x where x is the product, then the profit function is ________.
9x2 + 54x
9x2 − 54x
54x - \(\frac { { 9x }^{ 2 } }{ 2 } \)
54x - \(\frac { { 9x }^{ 2 } }{ 2 } \) + k
20.
The demand and supply functions are given by D(x)= 16 − x2 and S(x) = 2x2 + 4 are under perfect competition, then the equilibrium price x is ________.
2
3
4
5
21.
If MR and MC denotes the marginal revenue and marginal cost functions, then the profit functions is ________.
P = ഽ(MR − MC) dx + k
P = ഽ(MR + MC) dx + k
P = ഽ(MR)(MC)dx + k
P = ഽ(R −C)dx + k
22.
If the marginal revenue function of a firm is MR = \({ e }^{ \frac { -x }{ 10 } }\), then revenue is ________.
\(-10{ e }^{ \frac { -x }{ 10 } }\)
\(1-{ e }^{ \frac { -x }{ 10 } }\)
\(10\left( 1-{ e }^{ \frac { -x }{ 10 } } \right) \)
\({ e }^{ \frac { -x }{ 10 } }+10\)
23.
Area bounded by the curve y = \(\frac{1}{x}\) between the limits 1 and 2 is ________.
log 2 sq.units
log 5 sq.units
log 3 sq.units
log 4 sq.units
24.
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
25.
Area bounded by the curve y = x (4 − x) between the limits 0 and 4 with x − axis is ________.
\(\frac{30}{3}\) sq.units
\(\frac{31}{2}\)sq.units
\(\frac{32}{3}\) sq.units
\(\frac{15}{2}\) sq.units
1.
(c)
2 sq.units
2.
(b)
\(\frac { 8 }{ 3 } \) sq.units
3.
(a)
( e −1) sq.units
4.
(c)
\(\frac{-1}{\eta_{d}}\)
5.
(a)
6.
(c)
9
7.
(a)
5
8.
(b)
2
9.
(a)
\(\frac { 200 }{ 3 } { x }^{ \frac { 1 }{ 2 } }\)
10.
(b)
\(\frac{9}{2}\)
11.
(c)
\(\frac{3}{2}\) sq.units
12.
(c)
\(\frac{32}{3}\) units
13.
(b)
\(\frac{250}{3}\)units
14.
(a)
100 − 3x2
15.
(a)
revenue is constant
16.
(a)
MC − MR = 0
17.
(b)
35x + \(\frac { 7{ x }^{ 2 } }{ 2 } -{ x }^{ 2 }\)
18.
(c)
\(\frac{40}{3}\)
19.
(d)
54x - \(\frac { { 9x }^{ 2 } }{ 2 } \) + k
20.
(a)
2
21.
(a)
P = ഽ(MR − MC) dx + k
22.
(c)
\(10\left( 1-{ e }^{ \frac { -x }{ 10 } } \right) \)
23.
(a)
log 2 sq.units
24.
(b)
\(\frac{1}{2}\) sq.unit
25.
(c)
\(\frac{32}{3}\) sq.units
12th Standard Syllabus & Materials
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