Guru Gobind Singh Indraprastha Vishwavidyalaya 2010 B.B.A Business maths - Question Paper
(Please write your Exam. Roll No.) Exam. Roll No...........
FIRST SEMESTER [BBA/BBA(TTM)], DECEMBER - 2010
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Paper Code : BBAZBBA(TTM) -105 Subject Paper ID : 17105/50105 |
: Business Mathematics |
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Time: 3 Hours |
Maximum Marks: 75 |
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Note : Attempt altogether Five questions. Q. No. 1 is compulsory. | |
Q. 1. Solve the following/Define :
(a) For 100,95, 90, 85 .....findS31
(b) Inventory flow analysis.
(c) Langrangian multipliers.
(d) Consumer and Producer surplus.
(e) Find the number of permuation of word HREETI.
(3x5=15)
(15)
Q. 2. Prove that :
(a) nCr = nCn_r .
(b) n Pr = Lr x nCr
Q. 3. (a) Find the inverse of A:
7-3 2 0 1 0 5 1 1-5
(b) Given the matrix
7 5 9 3 8 4 6 2 1
A =
Find the minor a32 and a?2
(10+5=15)
Q. 4. Do the following functions have point of inflection?
(i) /(x) = 0-25jc4 -5* 3 +37-5*2 -10x + 50
(ii) /(a-) = 0-5.y4 3*3 + 30* 2 + 5*+ 20
(iii) f(x) = 3.x5 - lOOx4 +1000.Y2
Q. 5. Given cost function C = 4x + 450
2 *
revenue function 7i = 46x Olx 450
Find :
(a) MR
(b) MC
(c) AC (5x3=15) Q. 6. Find the following :
1;
I
(jc 2 + 7jc 8)5
(ii) | 6*2+tx.+-2 to (7-5x2=15)
(x3 + .y + x + 1)j -
Q. 7. IfMC = 20 + MR = 35, the fixed cost is 2500.
Determine the maximum profit and profit maximizing level output. (15) Q. 8. Write short notes on any THREE :
(a) Hawkins - Simon condition
(b) Lagrangian multipliers
(c) Variance analysis
(d) Consumer surplus
(e) Series vs Sequence (5x3=15)
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Attachment: |
| Earning: Approval pending. |
