Vinayaka Missions University 2008 B.B.A BUSINESS MATHEMATHICS & STATISTICS: t : Correspondence - Question Paper

COURSE CODE -1030602
UG DEGREE exam – SEP 2008
BBA / BBA (AM / CA/ TM)
BUSINESS MATHEMATHICS & STATISTICS
(For Candidate Admitted from Calendar 2007 Onwards)
Time: three Hours Max. Marks: 75
part - A
ans all the ques. 15 X 1=15
1. describe sequence
2. describe diagonal matrix
3. If A= one four and B= one 0 4
-2 0 -2 three 2
3 2
4. describe current value
5. Are ‘Annuity due ‘and immediate ‘annuity different’?
6. obtain the simple interest on Rs .20000 for six years at seven 1/3 per
annum
7. describe finite and infinite set
8. describe Statistics
9. Write the sources of secondary data
10. write the parts of a table
11. describe avg.
12. If mean = 42.5 Median = 46 obtain mode
13. provide the formula for combined mean of set of 2 groups
14. What is controlling
15. What is the need of co-ordinating?
part – B
ans any 5 ques. five X six = 30
16. a). Sum of the 1st n terms of a series is 3n2 +6n .show that it is
an A.P
(Or)
b). obtain the inverse of A =
2 2
3 5
? ?
? ?
? ?
17. a). Write the limitations of statistics
(Or)
b). Draw the pie diagram for the subsequent data
Items Expenditure
Food 2000
Rent 1500
Clothing 1000
Fuel 300
Medical expenses 150
Others 1000
18. a). obtain the effective rate of interest percent per annum
equivalent to a nominal rate of 12% per annum, the interest
being payable halt yearly.
(Or)
b). Mr. Ambigapathy borrows Rs. 1,00,000 at 42% commodes
monthly. obtain the amount he has to repay at the end of three years.
19. a). obtain Harmonic mean and geometric mean.
X 500 600 700 800 900 1000
Y two six 12 19 21 8
(Or)
b). describe Averages. Write the Characteristics of Averages also
state its kinds.
20. a). discuss process control and product control
(Or)
b). elaborate the elements of controlling?
part -C
ans any 2 ques. 2X 15=30
21. Solve by matrix inverse method
2x-3y+2z=11
5x+2y-7z=-12
-4x+3y+z=5
22. (a) By selling a chair for Rs. 56, the gain is as much percent as
its cost is rupees. What is the cost price?
(b) If A= {1,2,4,6,8, },
B= { 2,3,4,5,6, }, C={3,6,9,12,15 }find A-B, B-C & C-A.
23. discuss the methods of collecting primary data.
24. obtain mean, median and mode for the data provided beneath.
C.I 0-4 5-9 10-14 15-19 20-24 25-29
frequency six 12 17 23 34 8
25. (i) Write the significance of controlling.
(ii) discuss principles of co-ordinating.

Earning:   Approval pending.