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