Business Mathematics, Question Paper of BBA 1st Semester,Download Previous Years Question Paper 10

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

Q.1.   (i) If A={x: x = 2n and B={x: x = 3n, n, then find A ∩ B.

(ii) Evaluate:

 (iii) Differentiate the function w.r.t. x( x²− 3x + 2)( x+ 2)

(iv) Solve the equation (4x² + 9) = 0 by factorization method.

(v) Define Law of operation?

(vi) What is Depreciation?

(vii) If   =  , find x

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

 (ix) Evaluate 3A-4B where A = and B =

 (x) What is compound interest?

SECTION – B

Q.2.   If the coefficient of x and x² in the expansion of (1 +x )ⁿ (1 + )ⁿ are 3 and -6 respectively. Find the value of  m and  n.

Q.3.   If the first term of an A.P. is 2 and the sum of first five term is equal to one-fourth of the sum of the next five terms, find the sum of first 30 terms.

Q.4.   Solve, using Cramer's rule, the following system of linear equations:

2x  −  y  − z = 7

3x +  y – z   = 7

 x  + y  − z   = 3

Q.5.   Show that

Q.6.   Find from first principal the derivative of  + w. r. t. x

Q.7.   Given  below  is  a  set of  equations.  Solve  then  simultaneously  by  the 

Gauss-Elimination method.

3x₁ +  6x₂ +  x₃ = 16

2x₁ + 4x₂  + 3x₃ = 13

  x₁  + 3x₂ + 2x₃ = 9