## Basic Mathematics-1, Question Paper of BSC IT 1st Semester,Download Previous Years Question Paper 5

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Roll No …………….
Total No. of Questions :07
B.Sc.(IT) (Sem.-1)
BASIC MATHEMATICS-1
Subject Code : BS -103
Paper ID : [B0402]
Time :03                                                                       Max Marks :60
INSTRUTION TO CANDIDATES :
1.SECTION-A is COMPULSORY .
2.ATTEMPT any FOUR questions from .SECTION –B.
SECTION-A
1.
(a) If A={1,2,3,4,5,},B={2,3,} find A\B,B\A.
(b) ) If A has 32 elements. B has 42 elements ,and  A B has 62           elements, Indicate no. of elements in A B.
(c) Find X and Y, if X+ Y=B.
(c) Find X and Y, if X+ Y= .
(d) The third term of an AP is 18 and the seventh term is 30. Find the   16th term.
(e) Which term of the series:
7+28+112+……..is 7168?
(f) Find the value of sin 75O.
(g) Differentiate between AP and GP.
(h) Find the mean of first n natural numbers.
(i) Write the formula for calculating median in continuous series.
(j) Define Partition of a set with example.

SECTION-B
2.       State and prove De Morgan’s Law for sets.

3.       If A= Show that A2-4A-51=0.
4.       (a) The AM of 12 items is 21. If one more item is added to this series the          AM becomes 20. Find the 13th term.
(b) Find the sum of following series: 8+ +…….+ 5.       (a) Prove that (b) Simplify 6.       From the following data, find the missing frequencies:
 Size 10 12 14 16 18 20 Frequency 3 7 ? 20 8 5

7.       (a) For which values of x, will:
( ) (b) Without expanding, find the determinant of 