Basic Mathematics-1, Question Paper of BSC IT 1st Semester,Download Previous Years Question Paper 1

Roll No…….

Total No. of Questions:07

B.Sc(IT) (Sem.-1^st)

BASIC MATHEMATICS-I

Subject Code: BS-103

Paper ID: B0402

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) Sum the series 51+50+49+………………..21.

          (b) Define set.

          (c) Define cardinality of a set.

          (d) What is de-Morgan’s law?

          (e) Define any two properties of determinant.

          (f) Define median and mode.

          (g) Write the nth formula for A.P. and G.P.

          (h) Define condition for matrix multiplication.

          (i) Write the general term of (x+a)ⁿ.

          (j) Define A.M. and G.M.

SECTION-B

Q2.    Expand the following:  ².

Q3.    Solve for x,

Q4.    Calculate the median from the following

Distribution:

Class	5-10	10-15	15-20	20-25	25-30	30-35	35-40	40-45
Frequency	5	6	15	10	5	4	2	2

Q5.    The first term and second term of a G.P. are 192 and -48 respectively and the   last term is -3/256. Find the number of terms.

Q6.    If the 1st term of an A.P. is 2 and sum of first five terms is equal to one fourth of the sum of next five terms. Find the sum of first 30 terms.

Q7.    If A, B, C are any sets, prove that

          (i) A−(B∪C) = (A−B)∩(A−C)

          (ii) A−(B∩C) = (A−B)∪(A−C)