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IIT JEE –PAST PAPER MATHEMATICS- UNSOLVED PAPER - 2005
SECTION – I Single Correct Answer Type This section contains 21 multiple choice questions. Each question has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
01 Problem If         stands for          then value of                                                   is a. b. c. d.
Problem  02 A rectangle with sides               units X              units is divided into squares by  drawing  parallel lines in such a way that  distance  between  two consecutive  parallel  lines is 1 unit.  See Fig. 2005.1. The number of rectangles that can be drawn on the figure such that both the length and the breadth of the rectangle are odd is a. b. c. d.
Problem 03 If                                      then a. b. c. d.
Problem 04 If                                              and                          and                                       then X   is equal to a. b. c. d.
Problem 05 Let           the roots of the quadratic equation                                        and                                   If                                                   are G.P., then a. b. c. d.
Problem 06 Let S denote the set of all polynomials P       of degree         such that                       and  then a. b. c. d.
Problem 07 If a, b and c are three integers such that at least two of them are unequal,               and                               is  a cube root of unity, then the least  value of the expression    is  a.0 b. 1 c.  d.1/2
Problem 08 The shaded region in Fig. 2005.2 is given by a. b. c. d.
Problem 09 Let  and g be two functions defined from R to R as follows:   then the function                                              is One –one but not on to b. Onto but not one-one c. Both one-one and on to d. Neither one-one nor on to
Problem 10 Three circular coins each of radii 1 cm are kept in an equilateral triangle so that all the three coins touch each other and also the sides of the triangle.  Area of the triangle is  a. b. c. d.
Problem 11 The function                                     is differentiable at all                 except at the points  a. 1, 0, -1 b. 1 c. 1, -1 d. -1
Problem 12 Let X and Y are two nonempty sets. Let 	 be a function. For 	              and  	  define  			           and	                           then a. b. c. d.
Problem 13 If f(x)  is a continuous and differentiable function such that 			 then  a. b. c. d.   f(0) = 0 and f’(0) may or may not be zero.
Problem 14 If y = y(x) is a function of x satisfying the relation x cos y + y cos x =    , then y”(0) equals  a. 1 b. -1 -
Problem 15 A triangle is formed by a tangent to the ellipse		    and the  coordinate axes. The area of triangle cannot be less than                       sq. units                                  sq. units                            sq. units  Ab sq. units
Problem 16 Let f(x) be a twice differentiable function such that f(x) = x2 for x = 1, 2, 3, then  a. b. c. d.
Problem 17 Let		  be such that  		and 		     the number of pairs of  satisfying the above system of equations is 0 1 2 4
Problem 18 If a,b,c  denote the lengths of the sides of a triangle opposite angles A, B, C of a  then  correct relation among a,b,c,A, B and C is given    by a. b. c. d.
Problem 19 The area bounded by the parabolas  		and 		 and the line y= 1/4 is  1/6 Sq. units  1/3Sq. units 4/3 Sq. units 4 sq. units
Problem 20 The solution  of the differential equation  satisfies the conditions  and  then value of  is a. b. c. d.
Problem 21 Tangent to the curve	     at a point P (1, 7) touches the circle                                                                                                                                 		               at a point         Then the coordinates of        are   (-9, -13) (-10, -15) (-6, -7) (-6, -7)
FOR SOLUTION VISIT WWW.VASISTA.NET

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IIT JEE Mathematics 2005

  • 1. IIT JEE –PAST PAPER MATHEMATICS- UNSOLVED PAPER - 2005
  • 2. SECTION – I Single Correct Answer Type This section contains 21 multiple choice questions. Each question has four choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
  • 3. 01 Problem If stands for then value of is a. b. c. d.
  • 4. Problem 02 A rectangle with sides units X units is divided into squares by drawing parallel lines in such a way that distance between two consecutive parallel lines is 1 unit. See Fig. 2005.1. The number of rectangles that can be drawn on the figure such that both the length and the breadth of the rectangle are odd is a. b. c. d.
  • 5. Problem 03 If then a. b. c. d.
  • 6. Problem 04 If and and then X is equal to a. b. c. d.
  • 7. Problem 05 Let the roots of the quadratic equation and If are G.P., then a. b. c. d.
  • 8. Problem 06 Let S denote the set of all polynomials P of degree such that and then a. b. c. d.
  • 9. Problem 07 If a, b and c are three integers such that at least two of them are unequal, and is a cube root of unity, then the least value of the expression is a.0 b. 1 c. d.1/2
  • 10. Problem 08 The shaded region in Fig. 2005.2 is given by a. b. c. d.
  • 11. Problem 09 Let and g be two functions defined from R to R as follows:   then the function is One –one but not on to b. Onto but not one-one c. Both one-one and on to d. Neither one-one nor on to
  • 12. Problem 10 Three circular coins each of radii 1 cm are kept in an equilateral triangle so that all the three coins touch each other and also the sides of the triangle. Area of the triangle is a. b. c. d.
  • 13. Problem 11 The function is differentiable at all except at the points a. 1, 0, -1 b. 1 c. 1, -1 d. -1
  • 14. Problem 12 Let X and Y are two nonempty sets. Let be a function. For and define and then a. b. c. d.
  • 15. Problem 13 If f(x) is a continuous and differentiable function such that then a. b. c. d. f(0) = 0 and f’(0) may or may not be zero.
  • 16. Problem 14 If y = y(x) is a function of x satisfying the relation x cos y + y cos x = , then y”(0) equals a. 1 b. -1 -
  • 17. Problem 15 A triangle is formed by a tangent to the ellipse and the coordinate axes. The area of triangle cannot be less than sq. units sq. units sq. units Ab sq. units
  • 18. Problem 16 Let f(x) be a twice differentiable function such that f(x) = x2 for x = 1, 2, 3, then a. b. c. d.
  • 19. Problem 17 Let be such that and the number of pairs of satisfying the above system of equations is 0 1 2 4
  • 20. Problem 18 If a,b,c denote the lengths of the sides of a triangle opposite angles A, B, C of a then correct relation among a,b,c,A, B and C is given by a. b. c. d.
  • 21. Problem 19 The area bounded by the parabolas and and the line y= 1/4 is  1/6 Sq. units 1/3Sq. units 4/3 Sq. units 4 sq. units
  • 22. Problem 20 The solution of the differential equation satisfies the conditions and then value of is a. b. c. d.
  • 23. Problem 21 Tangent to the curve at a point P (1, 7) touches the circle at a point Then the coordinates of are   (-9, -13) (-10, -15) (-6, -7) (-6, -7)
  • 24. FOR SOLUTION VISIT WWW.VASISTA.NET