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

Wednesday, 22 May 2013 04:55Web

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 Ma

**x.**

**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

**1**describe avg.

**1.****1**If mean = 42.5 Median = 46 obtain mode

**2.****1**provide the formula for combined mean of set of 2 groups

**3.****1**What is controlling

**4.****1**What is the need of co-ordinating?

**5.**part – B

ans any 5 ques. five X six = 30

**1**a). Sum of the 1st n terms of a series is 3n2 +6n .show that it is

**6.**an A.P

(Or)

b). obtain the inverse of A =

2 2

3 5

? ?

? ?

? ?

**1**a). Write the limitations of statistics

**7.**(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

**1**a). obtain the effective rate of interest percent per annum

**8.**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.

**1**a). obtain Harmonic mean and geometric mean.

**9.**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

**2**Solve by matrix inverse method

**1.**2x-3y+2z=11

5x+2y-7z=-12

-4x+3y+z=5

**2**

**2.****(**By selling a chair for Rs. 56, the gain is as much percent as

**a)**its cost is rupees. What is the cost price?

**(**If A= {1,2,4,6,8, },

**b)**B= { 2,3,4,5,6, }, C={3,6,9,12,15 }find A-B, B-C & C-A.

**2**discuss the methods of collecting primary data.

**3.****2**obtain mean, median and mode for the data provided beneath.

**4.**C.I 0-4 5-9 10-14 15-19 20-24 25-29

frequency six 12 17 23 34 8

**2**

**5.****(**Write the significance of controlling.

**i)****(**discuss principles of co-ordinating.

**i****i)**Earning: Approval pending. |