maths ONLINE TEST 0% 11th Maths One Mark – Full (Based on Reduced Syllabus) Wish you all the Best ! -St. Joseph Study Centre 1 / 84 Let A and B be subsets of the universal set N, the set of natural numbers. Then A’ ∪[(A∩B)∪B’] is? A’ N A B 2 / 84 The function f : [0, 2π] → [−1, 1] defined by f(x) = sinx is? bijection one-to-one onto cannot be defined 3 / 84 The value of log₃ 1/81 is? -9 -4 -2 -8 4 / 84 If pv = 81, then dp/dv at v = 9 is -1 -2 1 2 5 / 84 Straight line joining the points (2, 3) and (-1, 4) passes through the point (α, β) if 3α + β = 9 α + 2β = 7 α + 3β = 11 3α + 3β = 11 6 / 84 The function f : R → R is defined by f(x) = sinx + cos x is? an odd function both odd function and even function neither an odd function nor an even function an even function 7 / 84 Given that x, y and b are real numbers x < y,b > 0, then? xb < yb xb ≤ yb (x/b) ≥ (y/b) xb > yb 8 / 84 The number of solutions of x² + |x − 1| = 1 is ? 3 2 zero 1 9 / 84 (1 + cos π / 8) (1 + cos 3π / 8) (1 + cos 5π / 8) (1 + cos 7π / 8) = 1 /√2 1 / 8 1 / √3 1 / 2 10 / 84 The intercepts of the perpendicular bisector of the line segment joining(1,2)and(3,4)with coordinate axes are? 5, 3 5, -4 5, 5 5, -5 11 / 84 If 3 is the logarithm of 343, then the base is? 9 5 6 7 12 / 84 1 + 3 + 5 + 7 +……. + 17 is equal to 71 61 81 101 13 / 84 If a and b are the roots of the equation x² − kx + 16 = 0 and satisfy a² + b² = 32, then the value of k is? 6 10 -8, 8 -8 14 / 84 The solution set of the following inequality |x − 1| ≥ |x − 3| is ? (0, 2) [0, 2] (−∞, 2) [2,∞) 15 / 84 If |x + 2| ≤ 9, then x belongs to? (−11, 7) (−∞,−7) ∪ [11,∞) [−11, 7] (−∞,−7) 16 / 84 The value of 1 – 1/2 (2/3) + 1/3 (2/3)² – 1/4 (2/3)³ + ….. is ? 5/3 log (5/3) 2/3 log (2/3) log (5/3) 3/2 log (5/3) 17 / 84 The number of students who take both the subjects Mathematics and Chemistry is 70. This represents 10% of the enrollment in Mathematics and 14% of the enrollment in Chemistry. How many students take at least one of these two subjects is 1100 1130 insufficient data 1120 18 / 84 The sum of the digits at the 10th place of all numbers formed with the help of 2, 4, 5, 7 taken all at a time is 108 432 18 36 19 / 84 The number of relations on a set containing 3 elements is? 9 1024 81 512 20 / 84 The sum of an infinite GP is 18. If the first term is 6, the common ratio is? 1/3 3/4 1/6 2/3 21 / 84 If the two straight lines x + (2k – 7)y + 3=0 and 3kx + 9y – 5 = 0 are perpendicular then the value of k is? k = 3/2 k = 2/3 k = 3 k = 1/3 22 / 84 For non-empty sets A and B, if A ⊂ B then (A × B) ∩ (B × A) is equal to none of these B × B A × A A ∩ B 23 / 84 The value of log√2 512 is? 12 9 16 18 24 / 84 The sum up to n terms of the series √2 + √8 + √18 + √32 + ….. is? 2n (n + 1) n(n + 1) / 2 n(n + 1) / √2 1 25 / 84 Which of the following equation is the locus of (at²; 2at)? x² + y² = a² y² = 4ax x²/a² + y²/b² = 1 x²/a² – y²/b² = 1 26 / 84 The relation R defined on a set A = {0,−1, 1, 2} by xRy if |x² + y² | ≤ 2, then which one of the following is true? Range of R is {0,−1, 1} Domain of R is {0,−1, 1, 2} R = {(0, 0), (0,−1), (0, 1), (−1, 0), (−1, 1), (1, 2), (1, 0)} R⁻¹ = {(0, 0), (0,−1), (0, 1), (−1, 0), (1, 0)} 27 / 84 The equation of the line with slope 2 and the length of the perpendicular from the origin equal to √5 is? 2x – y = √5 2x – y = 5 x – 2y = √5 x – 2y – 5 = 0 28 / 84 If π < 2θ < 3π/2, then √(2√(2 + 2 cos 4θ equals to? 2 sinθ 2 cosθ – 2 cosθ -2 sinθ 29 / 84 The solution of 5x − 1 < 24 and 5x + 1 > −24 is? (−5, 4) (−5, 5) (−5,−4) (4, 5) 30 / 84 Find a so that the sum and product of the roots of the equation 2x² + (a − 3)x + 3a − 5 = 0 are equal is? 2 4 zero 1 31 / 84 The value of the series (1/2) + (7/4) + (13/8) + (19/16) + …. is ? 4 7 6 14 32 / 84 Let X = {1, 2, 3, 4} and R = {(1, 1), (1, 2), (1, 3), (2, 2), (3, 3), (2, 1), (3, 1), (1, 4), (4, 1)}. Then R is? transitive reflexive equivalence symmetric 33 / 84 The coordinates of the four vertices of a quadrilateral are (-2,4), (-1,2), (1,2) and (2,4)taken in order. The equation of the line passing through the vertex(-1,2) and dividing the quadrilateral in the equal areas is? x +1 = 0 x+ y = 1 x + y + 3 = 0 x – y + 3 = 0 34 / 84 One of the equation of the lines given by x² + 2xy cot θ – y² = 0 is? x sin θ + y ( cos θ + 1) = 0 x cos θ + y (sin θ + 1) = 0 x + y tan θ = 0 x – y cot θ = 0 35 / 84 The y-intercept of the straight line passing through (1,3) and perpendicular to 2x – 3y + 1= 0 is? 2/3 9/2 2/9 3/2 36 / 84 The number of five digit telephone numbers having at least one of their digits repeated is 10000 90000 30240 69760 37 / 84 The maximum value of 4 sin² x + 3cos² x + sin x/2 + cos x/2 is? 4 + √2 9 3 + √2 4 38 / 84 If one of the lines given by 6x² – xy + 4cy² = 0 is 3x + 4y = 0;, then c equals to? 1 -3 -1 3 39 / 84 cos 1⁰ + cos2⁰ + cos3⁰ +……..+ cos179⁰ =? -1 1 89 zero 40 / 84 If the function f : [−3, 3] → S defined by f(x) = x² is onto, then S is? [0, 9] R [−3, 3] [−9, 9] 41 / 84 1 / cos 80⁰ – √3/sin 80⁰ = ? √2 2 4 √3 42 / 84 The coefficient of x⁵ in the series e⁻²ˣ is? 2/3 -4/15 4/15 3/2 43 / 84 If a is the arithmetic mean and g is the geometric mean of two numbers, then a = g a > g a ≥ g a ≤ g 44 / 84 The slope of the line which makes an angle 45⁰ with the line 3x – y = -5 are? 1, 1/2 2, -1/2 1, -1 1/2, -2 45 / 84 If A = {(x, y) : y = eˣ, x ∈ R} and B = {(x, y) : y = e⁻ˣ, x ∈ R} then n(A ∩ B) is? Infinity 2 1 Zero 46 / 84 The value of (1/2!) + (1/4!) + (1/6!) + ….. Is? (e -1)² / 2e (e + 1)² / 2e e² – 1 / 2e e² + 1 / 2e 47 / 84 If the lines represented by the equation 6x² + 41xy – 7y² = 0 make angles α and β with x- axis, then tan α tan β =? -6/7 7/6 -7/6 6/7 48 / 84 The line (p + 2q)x + (p – 3q)y = p – q for different values of p and q passes through the point? (2/5, 2/5) (2/5, 3/5) (3/5, 3/5) (3/2, 5/2) 49 / 84 If A and B are two matrices such that A + B and AB are both defined, then A and B are two matrices not necessarily of same order A and B are square matrices of same order A = B Number of columns of A is equal to the number of rows of B 50 / 84 If log√x 0.25 = 4, then the value of x is? 1.5 1.25 0.5 2.5 51 / 84 If f (x) = x + 2, then f ‘(f (x)) at x = 4 is 1 4 5 8 52 / 84 Equation of the straight line that forms an isosceles triangle with coordinate axes in the I-quadrant with perimeter 4 +2√2 is? x + y – √2 = 0 x + y + √2 = 0 x + y + 2 = 0 x + y – 2 = 0 53 / 84 The number of constant functions from a set containing m elements to a set containing n elements is? m n mn m + n 54 / 84 If A = {(x, y) : y = sinx, x ∈ R} and B = {(x, y) : y = cos x, x ∈ R} then A ∩ B contains? infinitely many elements no element cannot be determined only one element 55 / 84 Straight line joining the points (2, 3) and (-1 ,4) passes through the point (α, β ) if? α + 3β = 11 3α + β = 9 α + 2β = 7 3α + β = 11 56 / 84 If the point(8,-5) lies on the locus x²/16 – y²/25 = k, then the value of k is? 3 2 zero 1 57 / 84 The rule f(x) = x² is a bijection if the domain and the co-domain are given by? R, (0,∞) (0,∞),R [0,∞), [0,∞) R,R 58 / 84 If 8 and 2 are the roots of x² +ax+c = 0 and 3, 3 are the roots of x² +dx+b = 0, then the roots of the equation x² + ax + b = 0 are? 1, 2 -1, 2 9, 1 -1, 1 59 / 84 Let R be the universal relation on a set X with more than one element. Then R is? transitive not symmetric none of the above not reflexive 60 / 84 If a and b are the real roots of the equation x² − kx + c = 0, then the distance between the points (a, 0) and (b, 0) is? √(k − 8c) √(4k² − c) √(4c − k²) √(k² − 4c) 61 / 84 The value of logₐ b logb c logc a is? 3 2 4 1 62 / 84 Let f : R → R be defined by f(x) = 1 − |x|. Then the range of f is? (−∞, 1] (1,∞) R (−1,∞) 63 / 84 If cos 28⁰ + sin 28⁰ = k³,then cos 17⁰ is equal to? ± k³ / √2 -k³ / √3 k³ / √2 -k³ / √2 64 / 84 If y = mx + c and f (0) = f ‘(0) =1, then f (2) is 3 2 -3 1 65 / 84 The area of the triangle formed by the lines x² – 4y² = 0 and x = a is? (‘√3/2) a² (2/√3)a² (1/2) a² 2a² 66 / 84 If kx / (x+2) (x-1) = 2/x+2 + 1/ x-1, then the value of k is? 4 1 2 3 67 / 84 The derivative of f (x) = x | x | at x = −3 is -6 Zero does not exist 6 68 / 84 The point on the line 2x – 3y = 5 is equidistance from (1,2) and (3, 4) is? (7, 3) (4, 1) (-2, 3) (1, -1) 69 / 84 If A and B are symmetric matrices of order n, where (A ≠ B), then A + B is skew-symmetric A + B is a zero matrix A + B is a diagonal matrix A + B is symmetric 70 / 84 The equation whose roots are numerically equal but opposite in sign to the roots of 3x² − 5x − 7 = 0 is? 3x²+ 5x − 7 = 0 3x² − 5x+7 = 0 3x² + x − 7 3x² − 5x − 7 = 0 71 / 84 Which of the following point lie on the locus of 3x² + 3y² – 8x – 12y + 17=0? (1,2) (-2,3) (0,-1) (0,0) 72 / 84 If |x – 2| / x – 2 ≥ 0, then x belongs to? [2,∞) (−2,∞) (2,∞) (−∞, 2) 73 / 84 The length of ┴ from the origin to the line x/3 – y/4 = 1 is? 5/12 11/5 12/5 -5/12 74 / 84 If a vertex of a square is at the origin and its one side lies along the line 4x + 3y – 20 =0, then the area of the square is? 20sq.units 4sq.units 25sq.units 16sq.units 75 / 84 The image of the point(2,3)in the line y = -x is? (3, 2) (-3, -2) (-3, 2) (-2, -3) 76 / 84 The nᵗᵸ term of the sequence 1/2, 3/4, 7/8, 15/16, ….is? 1 – 2 ⁻ ⁿ 2 ⁿ ⁻ ˡ 2 ⁻ ⁿ + n – 1 2ⁿ – n – 1 77 / 84 The range of the function f(x) = | [x] − x|, x ∈ R is? [0, 1) (0, 1) [0, 1] [0,∞) 78 / 84 Which of the following is not true ? tan θ = 25 cos θ = -1 sin θ = -3/4 sec θ = 1/4 79 / 84 If tan 40⁰ = λ, then (tan 140⁰ – tan 130⁰ / 1 + tan 140⁰ tan 130⁰) = 1 + λ² / 2λ 1 – λ² / λ 1 + λ² / λ 1 – λ² / 2λ 80 / 84 The range of the function 1 / 1-2 sin x is? (−∞,−1] ∪ [1/3 , ∞) (−∞,−1) ∪ (1/3 , ∞) (-1, 1/3) [-1, 1/3] 81 / 84 The number of points in R in which the function f (x) =| x −1| + | x − 3| +sin x is not differentiable, is 2 3 4 1 82 / 84 The equation of the locus of the point whose distance from y-axis is half the distance from origin is? x² -3y² = 0 3x² -y² = 0 3x² + y² = 0 x² + 3y² = 0 83 / 84 Let X = {1, 2, 3, 4}, Y = {a, b, c, d} and f = {(1, a), (4, b), (2, c), (3, d), (2, d)}. Then f is? not a function an one-to-one function a function which is not one-to-one an onto function 84 / 84 Let R be the set of all real numbers. Consider the following subsets of the plane R × R: S = {(x, y) : y = x + 1 and 0 < x < 2} and T = {(x, y) : x − y is an integer } Then which of the following is true? Both S and T are equivalence relation Neither S nor T is an equivalence relation S is an equivalence relation but T is not an equivalence relation T is an equivalence relation but S is not an equivalence relation Your score is Note: Once you start the test, you are not allowed to go back. Results won’t be generated if you quit the test. Complete the test within the given time. Once the time is over, the test will be submitted automatically. You can verify your answers at the result page.