Business Mathematics, Question Paper of BBA 1st Semester,Download Previous Years Question Paper 6

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)     Define universal subset.

          (b)     Prove that for set A, A  A=A.

          (c)      Define Disjunction.

          (d)     Construct the truth table for pq.

          (e)      Find 4^th term from the end in the expansion of ⁹

(f)      The second term of G.P. is 24 and 5^th term is 81. Find the series and   12^th term.

(g)     If A=, the find Adj A.

(h)     Given log₁₀2= 0.30103. Calculate log₁₀ .

(i)      In what time would a sum of money trouble itself at 8% compound interest .

(j)      Use definition of limit to prove that  (2-3x)= -4.

SECTION-B

Q2.

          (a)     If  b > a > 0 and C > 0, then  prove.

          (b)     Find the number of unordered sample of size five (repetition allowed)

                   From the set (a,b,c,d,e,f)

                   (i)      No further restrictions.

                   (ii)     a occur at least twice.

                   (iii)    a occurs exactly twice.

Q3.    Let f : XY and g: YZ and let f, g be one-one onto, then prove gof:

          X is also one-one and onto and (gof)^-1= f^-1og^-1.

Q4.    Use matrix inversion method to find the solution of equations.

                    2x-y+3z=9,

                    x+y+z=6,

                    x-y+z=2.

Q5.    Solve

Q6.    Solve using Crammer’s Rule. 3x-2y+z=4, 2x+3y-z=3, x+y+z=8.

Q7.    (a)     Prove that =

(b)     What is the rate percent per annum if a sum double itself in 17 years at compound interest.