Business Mathematics, Question Paper of BBA 1st Semester,Download Previous Years Question Paper 7

Roll No……..

Total No. of Questions: 07

BBA (Sem.-1^st)

BUSINESS MATHEMATICS

SUBJECT CODE: BB-102

PAPER ID: [C0202]

Time: 3 Hrs.                                                                           Max. Marks: 60

Instruction to Candidates:

1.       Section-A is Compulsory.

2.       Attempt any Four questions from Section-B.

SECTION-A

Q1.

            (a)     Write the set X=in the set builder form.

          (b)     Find roots of the quadratic equation 6x²-x-2=0.

          (c)      Evaluate 5P₃.

          (d)     If ⁿP_r=720 and ⁿC_r= 120, find r.

          (e)      Find General Term in the expansion of (x²-y)⁶.

          (f)      Insert three arithmetic means between 3 and 19.

          (g)     Find the sum of 7 terms of G.P. 3,6,12,…………

(h)     If s = {1,2,3} and f = {(1,3,), (3,2), (2,1)}. Determine whether the function  f : s s have inverse.  Find f^-1, if it exists.

(i)      Find  (1+ log x).

(j)      Find the value of x for which

SECTION-B

Q2.    Solve x²-x-

Q3.    How many words can be formed from the letter of the word ‘DAUGHTER’ so that

(a)     The vowels always come together.

(b)     The vowels never come together.

Q4.    Expand (2x-3y)⁴ by Binomial Theorem.

Q5.    (a)     Differentiate y=x³log x.

          (b)     Differentiate y=3e^2x+2e^3r.

Q6.    If f(x) =  

          Show that

Q7.    Solve the following system of equations by matrix method.

          3x - 2y +3z=8

           2x+y-z=1

          4x-3y+2z=4