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IITJEE –Past papers MATHEMATICS -UNSOLVED PAPER - 2001
SECTION – I Single Correct Answer Type
01 Problem Let be the roots of  be the roots of                                       are in G.P., then the integral values of p and q respectively, are -2,-32 -2, 3 -6, 3 -6, -32
Problem 02 Let and let m(b) be the minimum value of                 varies, the range of m(b) is a. b.	 c. d.
Problem 03 The number of distinct real roots of                                     in the interval                  is 0 2 1 3
Problem 04 In the binomial expansion of                         the sum of the 5th and 6th terms is zero. Then      equals a. b. c. d.
Problem 05 Let      denote the number of triangles which can be formed using the vertices of a regular polygon of sides. If                       ,then n equals  5 7 6 4
Problem 06 Let                                         .Then the number of onto functions from E to F is 14 16 12 8
Problem 07 Let the positive numbers a,b,c,d be in A.P. Then abc, abd, acd, bcd are  NOT in A.P./G.P./H.P in A.P. in G.P. in H.P.
08 Problem If the sum of the first 2n terms of the A.P.2,5,8,…,is equal to the sum of the first n terms of the A.P.57,59,61,…,then n equals 10 12 11 13
Problem 09 Let                          roots of unity which subtend a right angle at the origin. Then must be of the form  a. b. c. d.
Problem 10 The complex numbers                      satisfying                         are the vertices of a triangle which is of area zero right-angled isosceles equilateral obtuse-angled isosceles
Problem 11 If                                                                                                                equals a. b. c. d.
12 Problem The maximum value of                                 under the restrictions                                                                                           is  a. b. c. d.
Problem 13 If                                        ,then          equals a. b. c. d.
Problem 14 A man from the top of a 100 meters high tower sees a car moving towards the tower at an angle of depression of 30o.After some time, the angle of depression becomes 60o.The distance (in meters)travelled by the car during this time is a. b. c. d.
Problem 15 The number of integer values of m ,for which the x-coordinate of the point of intersection of the lines                                           is also an integer, is  2 0 4 1
Problem 16 the equation of the directory of the parabola                                 is a. b. c. d.
17 Problem Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius riff PS and RQ intersect at a point X on the circumference of the circle, then 2r equals a. b. c. d.
Problem 18 Let AB be a chord of the circle                    subtending a right angle at the centre. Then the locus of the centric of the triangle PAB is P moves on the circle is a parabola a circle an ellipse a pair of straight lines
Problem 19 Area of the parallelogram formed by the lines                           equals a. b. c. d.
Problem 20 The equation of the common tangent touching the circle                          and the parabola               above the x-axis is a. b. c. d.
Problem 21 The triangle formed by the tangent to the curve at the point (1,1)and the coordinate axes, lies in the first quadrant. If its area is 2, then the value of b is -1 3 -3 1
Problem 22 The domain of definition of                                is a. b. c. d.
Problem 23 If                            is given by                                     equals a. b. c. d.
Problem 24 Let                                                          .Then for all                  is equal to a. b. c. d.
Problem 25                               equals a.-π b. π c. d.1
Problem 26 The left-hand derivative                                            of an integer, is a. b. c. d.
Problem 27 Let                                                                                                           equals 5/4  7 4 2
Problem 28 Let                 be a function defined by                                .The set of all points where          is NOT differentiable is {-1,1} {-1,0} {0,1} {-1,0,1}
Problem 29 If                                             is increasing on  decreasing on  increasing on  decreasing on
Problem 30 The value of                             is a. b. c. d.
Problem 31 Which of the following functions is differentiable at          ? a. b. c. d.
Problem 32 The number of solutions of                                       is 3 1 2 0
Problem 33 Let                           .Then ,for what value of                      ? √2 -√2 1 -1
Problem 34 If a,b, and c are unit vectors, then                                         does NOT exceed 4 9 8 6
Problem 35 Let                                                                                                                     depends on only x  only y NEITHER  x NOR y   both x and y
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IIT JEE Mathematics 2001

  • 1. IITJEE –Past papers MATHEMATICS -UNSOLVED PAPER - 2001
  • 2. SECTION – I Single Correct Answer Type
  • 3. 01 Problem Let be the roots of be the roots of are in G.P., then the integral values of p and q respectively, are -2,-32 -2, 3 -6, 3 -6, -32
  • 4. Problem 02 Let and let m(b) be the minimum value of varies, the range of m(b) is a. b. c. d.
  • 5. Problem 03 The number of distinct real roots of in the interval is 0 2 1 3
  • 6. Problem 04 In the binomial expansion of the sum of the 5th and 6th terms is zero. Then equals a. b. c. d.
  • 7. Problem 05 Let denote the number of triangles which can be formed using the vertices of a regular polygon of sides. If ,then n equals 5 7 6 4
  • 8. Problem 06 Let .Then the number of onto functions from E to F is 14 16 12 8
  • 9. Problem 07 Let the positive numbers a,b,c,d be in A.P. Then abc, abd, acd, bcd are NOT in A.P./G.P./H.P in A.P. in G.P. in H.P.
  • 10. 08 Problem If the sum of the first 2n terms of the A.P.2,5,8,…,is equal to the sum of the first n terms of the A.P.57,59,61,…,then n equals 10 12 11 13
  • 11. Problem 09 Let roots of unity which subtend a right angle at the origin. Then must be of the form a. b. c. d.
  • 12. Problem 10 The complex numbers satisfying are the vertices of a triangle which is of area zero right-angled isosceles equilateral obtuse-angled isosceles
  • 13. Problem 11 If equals a. b. c. d.
  • 14. 12 Problem The maximum value of under the restrictions is a. b. c. d.
  • 15. Problem 13 If ,then equals a. b. c. d.
  • 16. Problem 14 A man from the top of a 100 meters high tower sees a car moving towards the tower at an angle of depression of 30o.After some time, the angle of depression becomes 60o.The distance (in meters)travelled by the car during this time is a. b. c. d.
  • 17. Problem 15 The number of integer values of m ,for which the x-coordinate of the point of intersection of the lines is also an integer, is 2 0 4 1
  • 18. Problem 16 the equation of the directory of the parabola is a. b. c. d.
  • 19. 17 Problem Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius riff PS and RQ intersect at a point X on the circumference of the circle, then 2r equals a. b. c. d.
  • 20. Problem 18 Let AB be a chord of the circle subtending a right angle at the centre. Then the locus of the centric of the triangle PAB is P moves on the circle is a parabola a circle an ellipse a pair of straight lines
  • 21. Problem 19 Area of the parallelogram formed by the lines equals a. b. c. d.
  • 22. Problem 20 The equation of the common tangent touching the circle and the parabola above the x-axis is a. b. c. d.
  • 23. Problem 21 The triangle formed by the tangent to the curve at the point (1,1)and the coordinate axes, lies in the first quadrant. If its area is 2, then the value of b is -1 3 -3 1
  • 24. Problem 22 The domain of definition of is a. b. c. d.
  • 25. Problem 23 If is given by equals a. b. c. d.
  • 26. Problem 24 Let .Then for all is equal to a. b. c. d.
  • 27. Problem 25 equals a.-π b. π c. d.1
  • 28. Problem 26 The left-hand derivative of an integer, is a. b. c. d.
  • 29. Problem 27 Let equals 5/4 7 4 2
  • 30. Problem 28 Let be a function defined by .The set of all points where is NOT differentiable is {-1,1} {-1,0} {0,1} {-1,0,1}
  • 31. Problem 29 If is increasing on decreasing on increasing on decreasing on
  • 32. Problem 30 The value of is a. b. c. d.
  • 33. Problem 31 Which of the following functions is differentiable at ? a. b. c. d.
  • 34. Problem 32 The number of solutions of is 3 1 2 0
  • 35. Problem 33 Let .Then ,for what value of ? √2 -√2 1 -1
  • 36. Problem 34 If a,b, and c are unit vectors, then does NOT exceed 4 9 8 6
  • 37. Problem 35 Let depends on only x only y NEITHER x NOR y both x and y
  • 38. FOR SOLUTION VISIT WWW.VASISTA.NET

Editor's Notes

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