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IIT JEE –Past papers MATHEMATICS - UNSOLVED PAPER - 1995
SECTION – I Single Correct Answer Type ,[object Object],[object Object]
Problem 02 If              is a cube root of unity ,then                                         equals 0 1 I
Problem 03 Let Z and w be two non-zero complex numbers such that                                   .Then z equals a. b. c. d.
Problem 04 If p and q are roots of                            .Then p=1 p=1 or 0 p=-2 p=-2 or 0
Problem 05 Let a,b,c be positive numbers. The following system of equations in x,y, and z                                         has no solution unique solution infinitely many solutions finitely many solutions
Problem 06 Let               be a positive integer. Then the largest integer m such that  	                    is 127 63 64 32
Problem 07 In a triangle                                             .Let D divide BC internally in the ratio 1:3.Then                         equals a. b. c. d.
08 Problem The minimum value of the expression                                   where                are real numbers satisfying                          is positive  zero negative -3
Problem 09 The orthocenter of the triangle formed by the lies                                            is a. b. c. d.
Problem 10 The radius of the circle passing through the foci of the ellipse ,                 and having its centre at (0,3) is 4 3
Problem 11 The function , where denotes the greatest integer function is discontinuous at all x all integer points no x  x which is not an integer
12 Problem Let          be defined for all x>0and be continuous .Let              satisfy .                                                                            Then             is bounded
Problem 13 On the interval the function                     takes its maximum value at the point  0
Problem 14 The function                                                                                                   assumes its minimum value only of one point if a. b. c. d.
Problem 15 The slope of the tangent to curve .If the curve passes through the point (1,2),then the area of the region bounded by the curve, the x-axis and the line x=1 is 6
Problem 16 Three of the six vertices of a regular hexagon are chosen at random. The probability that the triangle with these three vertices is equilateral, equals a. b. c. d.
17 Problem The probability of India winning a test match against West Indies is 1/2.Assuming independence from match to match the probability that in a 5 match series India’s second win occurs at the third test is a. b. c. d.
Problem 18 Let .                                       If d is a unit vector such that ,                              then d equals a. b. c. d.
Problem 19 Let u,v and w be vectors such that u+v+w=0.If                                          ,then the value of u.v+v.w+w.u is 47 -25 0 25
Problem 20 If A,B and C are three non-coplanar vectors, then equals 0
Problem 21 If p,q,r are positive and are in A.P.,the roots of quadratic equation                        are all real for all p and r no p and r
Problem 22 The function                              is increasing on  decreasing on  increasing on                and decreasing on  decreasing on               and increasing on
Problem 23 The value of                                    represents the greatest integer function, is a. b. c. d.
Problem 24 If ,                                                                       then the constants A and B are ,respectively a. b. c. d.
Problem 25 Let                                                .Then the set                                             is empty
Problem 26 Let z and w be two complex numbers such that                                                     .Then z equals 1 or i I or –i 1 or -1 I or -1
Problem 27 Consider a circle with its centre lying on the focus of the parabola such that it touches the directrix of the parabola.Then a point of intersection of the circle and the parabola is a. b. c. d.
Problem 28 The function   is continuous at all points differentiable at all points. differentiable at all points except at x=1 and x=-1. continuous at all points except at x=1 and x=-1,where it is discontinuous.
Problem 29 Let                                                                                                                                Then a. b. c. d.
Problem 30 If a,b,c are non –coplanar unit vectors such that ,                         then the angle between a and b is  a. b. c. d.
FOR SOLUTION VISIT WWW.VASISTA.NET
IIT JEE Mathematics   1995

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IIT JEE Mathematics 1995

  • 1. IIT JEE –Past papers MATHEMATICS - UNSOLVED PAPER - 1995
  • 2.
  • 3. Problem 02 If is a cube root of unity ,then equals 0 1 I
  • 4. Problem 03 Let Z and w be two non-zero complex numbers such that .Then z equals a. b. c. d.
  • 5. Problem 04 If p and q are roots of .Then p=1 p=1 or 0 p=-2 p=-2 or 0
  • 6. Problem 05 Let a,b,c be positive numbers. The following system of equations in x,y, and z has no solution unique solution infinitely many solutions finitely many solutions
  • 7. Problem 06 Let be a positive integer. Then the largest integer m such that is 127 63 64 32
  • 8. Problem 07 In a triangle .Let D divide BC internally in the ratio 1:3.Then equals a. b. c. d.
  • 9. 08 Problem The minimum value of the expression where are real numbers satisfying is positive zero negative -3
  • 10. Problem 09 The orthocenter of the triangle formed by the lies is a. b. c. d.
  • 11. Problem 10 The radius of the circle passing through the foci of the ellipse , and having its centre at (0,3) is 4 3
  • 12. Problem 11 The function , where denotes the greatest integer function is discontinuous at all x all integer points no x x which is not an integer
  • 13. 12 Problem Let be defined for all x>0and be continuous .Let satisfy . Then is bounded
  • 14. Problem 13 On the interval the function takes its maximum value at the point 0
  • 15. Problem 14 The function assumes its minimum value only of one point if a. b. c. d.
  • 16. Problem 15 The slope of the tangent to curve .If the curve passes through the point (1,2),then the area of the region bounded by the curve, the x-axis and the line x=1 is 6
  • 17. Problem 16 Three of the six vertices of a regular hexagon are chosen at random. The probability that the triangle with these three vertices is equilateral, equals a. b. c. d.
  • 18. 17 Problem The probability of India winning a test match against West Indies is 1/2.Assuming independence from match to match the probability that in a 5 match series India’s second win occurs at the third test is a. b. c. d.
  • 19. Problem 18 Let . If d is a unit vector such that , then d equals a. b. c. d.
  • 20. Problem 19 Let u,v and w be vectors such that u+v+w=0.If ,then the value of u.v+v.w+w.u is 47 -25 0 25
  • 21. Problem 20 If A,B and C are three non-coplanar vectors, then equals 0
  • 22. Problem 21 If p,q,r are positive and are in A.P.,the roots of quadratic equation are all real for all p and r no p and r
  • 23. Problem 22 The function is increasing on decreasing on increasing on and decreasing on decreasing on and increasing on
  • 24. Problem 23 The value of represents the greatest integer function, is a. b. c. d.
  • 25. Problem 24 If , then the constants A and B are ,respectively a. b. c. d.
  • 26. Problem 25 Let .Then the set is empty
  • 27. Problem 26 Let z and w be two complex numbers such that .Then z equals 1 or i I or –i 1 or -1 I or -1
  • 28. Problem 27 Consider a circle with its centre lying on the focus of the parabola such that it touches the directrix of the parabola.Then a point of intersection of the circle and the parabola is a. b. c. d.
  • 29. Problem 28 The function is continuous at all points differentiable at all points. differentiable at all points except at x=1 and x=-1. continuous at all points except at x=1 and x=-1,where it is discontinuous.
  • 30. Problem 29 Let Then a. b. c. d.
  • 31. Problem 30 If a,b,c are non –coplanar unit vectors such that , then the angle between a and b is a. b. c. d.
  • 32. FOR SOLUTION VISIT WWW.VASISTA.NET

Editor's Notes

  1. .