Karnatak University 2009 M.C.A Year - PGCET - Model and Syllabus - Question Paper

a) 80 b) 74 c) 101 d) 68

20. What happens to the area of a square when its side is halved? Its area will:
a) remain the identical b) become half c) become one-fourth d) become double

21. The roots of the provided quadratic formula x2 - 4x + four = 0 are
a) (2, 2) b) (-2, 0) c) (0, -2) d) (-2, -2)

22. Which of the subsequent is a simple recurring rational number?
a) v2 b) - c) 11/9 d) 7/6

23. Which of the subsequent numbers are not Primes?
a) 22 b) 29 c) 47 d) 1201

24. For any positive integer n = 1, one + three + five + ... + (2n - 1) is
a) (2n-1) b) 2n c) n2 d) None of the above

25. 2(x+3)=32 then 3(x+2)=
a) 81 b) five c) 27 d) 9

26. If x2+y2 =36, (x + y)2=64, then x*y is
a) seven b) 28 c) 100 d)14

27. The number of linear arrangements of the 4 letters in CALL is
a) four b) 12 c) 24 d)16

28. nCr =
a) n-1Cr-1 b) nCr-1 c) nCn-r d) n-1Cr

29. In how many ways can six men and six women be seated if any person can be seated next to any other person?
a) 12! b) 12 c) l d) 6

30. Locus of a point whose sum of distances from 2 fixed points is constant - is the
definition for
a) circle b) hyperbola c) parabola d) ellipse

31. Normal to the plane ax + by + cz +d=0 is 22
a) (-a, -b, -c) b) (a, b, c) c) both (a) and (b) d) None of the above

32. If Sec ? = four then Sec two ? is
a) 7/8 b) -7/8 c) 8/7 d) -8/7

33. If the line passes through the point (0, -3) then the y-intercept is
a) three b) 0 c) -3 d) 1

34. If in an ellipse, the major and minor axes are in the ratio of 5:3. Then its eccentricity is
a) 4/5 b) 5/4 c) 5/3 d) 3/5

35. If y = x + c is tangent to x2 +y2= 1, then c is
a) ±l b) ±2 c) ±v2 d) none of the above

36. In which quadrant will ? terminate if Sin ? and tan ? are both positive?

Earning:   Approval pending.