maths ONLINE TEST 0% 11th Maths One Mark – Full (Based on Reduced Syllabus) Wish you all the Best ! -St. Joseph Study Centre 1 / 85 If A = {(x, y) : y = eˣ, x ∈ R} and B = {(x, y) : y = e⁻ˣ, x ∈ R} then n(A ∩ B) is? 1 2 Zero Infinity 2 / 85 The nᵗᵸ term of the sequence 1/2, 3/4, 7/8, 15/16, ….is? 2 ⁿ ⁻ ˡ 2ⁿ – n – 1 1 – 2 ⁻ ⁿ 2 ⁻ ⁿ + n – 1 3 / 85 The value of the series (1/2) + (7/4) + (13/8) + (19/16) + …. is ? 7 4 14 6 4 / 85 The number of constant functions from a set containing m elements to a set containing n elements is? n m + n m mn 5 / 85 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 1120 1100 1130 6 / 85 Let R be the universal relation on a set X with more than one element. Then R is? none of the above transitive not symmetric not reflexive 7 / 85 The coefficient of x⁵ in the series e⁻²ˣ is? 3/2 2/3 -4/15 4/15 8 / 85 The point on the line 2x – 3y = 5 is equidistance from (1,2) and (3, 4) is? (4, 1) (1, -1) (7, 3) (-2, 3) 9 / 85 The solution set of the following inequality |x − 1| ≥ |x − 3| is ? (0, 2) (−∞, 2) [2,∞) [0, 2] 10 / 85 θ is acute angle between the lines x² – xy – 6y² = 0, then (2 cos θ + 3 sin θ / 4 sin θ + 5 cos θ) is ? 1 5/9 -1/9 1/9 11 / 85 If A and B are two matrices such that A + B and AB are both defined, then A and B are square matrices of same order Number of columns of A is equal to the number of rows of B A = B A and B are two matrices not necessarily of same order 12 / 85 Which of the following point lie on the locus of 3x² + 3y² – 8x – 12y + 17=0? (-2,3) (1,2) (0,0) (0,-1) 13 / 85 If 3 is the logarithm of 343, then the base is? 7 5 6 9 14 / 85 The area of the triangle formed by the lines x² – 4y² = 0 and x = a is? (‘√3/2) a² (1/2) a² (2/√3)a² 2a² 15 / 85 If pv = 81, then dp/dv at v = 9 is -2 -1 2 1 16 / 85 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? -8, 8 6 10 -8 17 / 85 Which of the following is not true ? sec θ = 1/4 tan θ = 25 sin θ = -3/4 cos θ = -1 18 / 85 The number of solutions of x² + |x − 1| = 1 is ? zero 2 3 1 19 / 85 If cos 28⁰ + sin 28⁰ = k³,then cos 17⁰ is equal to? -k³ / √3 -k³ / √2 k³ / √2 ± k³ / √2 20 / 85 If kx / (x+2) (x-1) = 2/x+2 + 1/ x-1, then the value of k is? 2 4 3 1 21 / 85 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? √(4c − k²) √(4k² − c) √(k − 8c) √(k² − 4c) 22 / 85 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 23 / 85 If A = {(x, y) : y = sinx, x ∈ R} and B = {(x, y) : y = cos x, x ∈ R} then A ∩ B contains? cannot be determined only one element infinitely many elements no element 24 / 85 If |x – 2| / x – 2 ≥ 0, then x belongs to? (−∞, 2) (−2,∞) (2,∞) [2,∞) 25 / 85 The intercepts of the perpendicular bisector of the line segment joining(1,2)and(3,4)with coordinate axes are? 5, 5 5, -4 5, -5 5, 3 26 / 85 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 27 / 85 Which of the following equation is the locus of (at²; 2at)? y² = 4ax x² + y² = a² x²/a² + y²/b² = 1 x²/a² – y²/b² = 1 28 / 85 The value of (1/2!) + (1/4!) + (1/6!) + ….. Is? (e + 1)² / 2e e² + 1 / 2e e² – 1 / 2e (e -1)² / 2e 29 / 85 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 36 432 18 30 / 85 Straight line joining the points (2, 3) and (-1 ,4) passes through the point (α, β ) if? 3α + β = 11 3α + β = 9 α + 3β = 11 α + 2β = 7 31 / 85 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 32 / 85 Straight line joining the points (2, 3) and (-1, 4) passes through the point (α, β) if α + 2β = 7 3α + β = 9 α + 3β = 11 3α + 3β = 11 33 / 85 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+ y = 1 x +1 = 0 x – y + 3 = 0 x + y + 3 = 0 34 / 85 The range of the function f(x) = | [x] − x|, x ∈ R is? [0,∞) [0, 1) [0, 1] (0, 1) 35 / 85 The function f : [0, 2π] → [−1, 1] defined by f(x) = sinx is? bijection onto cannot be defined one-to-one 36 / 85 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 = 1/3 k = 3/2 k = 3 k = 2/3 37 / 85 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 tan θ = 0 x cos θ + y (sin θ + 1) = 0 x – y cot θ = 0 38 / 85 Given that x, y and b are real numbers x < y,b > 0, then? xb < yb xb ≤ yb (x/b) ≥ (y/b) xb > yb 39 / 85 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? an one-to-one function an onto function a function which is not one-to-one not a function 40 / 85 If one of the lines given by 6x² – xy + 4cy² = 0 is 3x + 4y = 0;, then c equals to? -1 1 -3 3 41 / 85 The sum up to n terms of the series √2 + √8 + √18 + √32 + ….. is? 1 n(n + 1) / 2 2n (n + 1) n(n + 1) / √2 42 / 85 1 / cos 80⁰ – √3/sin 80⁰ = ? 4 √2 √3 2 43 / 85 If the function f : [−3, 3] → S defined by f(x) = x² is onto, then S is? [−3, 3] [−9, 9] R [0, 9] 44 / 85 The function f : R → R is defined by f(x) = sinx + cos x is? both odd function and even function an even function an odd function neither an odd function nor an even function 45 / 85 The maximum value of 4 sin² x + 3cos² x + sin x/2 + cos x/2 is? 4 9 4 + √2 3 + √2 46 / 85 If π < 2θ < 3π/2, then √(2√(2 + 2 cos 4θ equals to? – 2 cosθ -2 sinθ 2 cosθ 2 sinθ 47 / 85 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 / 85 The rule f(x) = x² is a bijection if the domain and the co-domain are given by? [0,∞), [0,∞) R, (0,∞) R,R (0,∞),R 49 / 85 The value of log₃ 1/81 is? -8 -4 -2 -9 50 / 85 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 S is an equivalence relation but T is not an equivalence relation Neither S nor T is an equivalence relation T is an equivalence relation but S is not an equivalence relation 51 / 85 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 52 / 85 The image of the point(2,3)in the line y = -x is? (-3, -2) (3, 2) (-2, -3) (-3, 2) 53 / 85 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 zero 2 4 54 / 85 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? reflexive equivalence transitive symmetric 55 / 85 The range of the function 1 / 1-2 sin x is? (−∞,−1) ∪ (1/3 , ∞) [-1, 1/3] (-1, 1/3) (−∞,−1] ∪ [1/3 , ∞) 56 / 85 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? Domain of R is {0,−1, 1, 2} 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} 57 / 85 The length of ┴ from the origin to the line x/3 – y/4 = 1 is? 5/12 -5/12 11/5 12/5 58 / 85 The solution of 5x − 1 < 24 and 5x + 1 > −24 is? (−5,−4) (4, 5) (−5, 4) (−5, 5) 59 / 85 If f (x) = x + 2, then f ‘(f (x)) at x = 4 is 4 5 8 1 60 / 85 For non-empty sets A and B, if A ⊂ B then (A × B) ∩ (B × A) is equal to none of these A × A A ∩ B B × B 61 / 85 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? 4sq.units 20sq.units 16sq.units 25sq.units 62 / 85 The equation of the line with slope 2 and the length of the perpendicular from the origin equal to √5 is? 2x – y = √5 x – 2y – 5 = 0 2x – y = 5 x – 2y = √5 63 / 85 The sum of an infinite GP is 18. If the first term is 6, the common ratio is? 3/4 2/3 1/6 1/3 64 / 85 If y = mx + c and f (0) = f ‘(0) =1, then f (2) is 3 2 1 -3 65 / 85 The value of logₐ b logb c logc a is? 1 4 3 2 66 / 85 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 67 / 85 The derivative of f (x) = x | x | at x = −3 is Zero 6 does not exist -6 68 / 85 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 69 / 85 If the point(8,-5) lies on the locus x²/16 – y²/25 = k, then the value of k is? 2 3 1 zero 70 / 85 (1 + cos π / 8) (1 + cos 3π / 8) (1 + cos 5π / 8) (1 + cos 7π / 8) = 1 / 2 1 /√2 1 / 8 1 / √3 71 / 85 The number of relations on a set containing 3 elements is? 9 512 81 1024 72 / 85 The value of log√2 512 is? 16 18 12 9 73 / 85 The slope of the line which makes an angle 45⁰ with the line 3x – y = -5 are? 1, -1 2, -1/2 1, 1/2 1/2, -2 74 / 85 The line (p + 2q)x + (p – 3q)y = p – q for different values of p and q passes through the point? (3/2, 5/2) (3/5, 3/5) (2/5, 2/5) (2/5, 3/5) 75 / 85 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 76 / 85 If a is the arithmetic mean and g is the geometric mean of two numbers, then a ≤ g a = g a ≥ g a > g 77 / 85 Let A and B be subsets of the universal set N, the set of natural numbers. Then A’ ∪[(A∩B)∪B’] is? N A’ A B 78 / 85 cos 1⁰ + cos2⁰ + cos3⁰ +……..+ cos179⁰ =? zero 1 -1 89 79 / 85 If log√x 0.25 = 4, then the value of x is? 1.25 1.5 0.5 2.5 80 / 85 If |x + 2| ≤ 9, then x belongs to? (−∞,−7) (−∞,−7) ∪ [11,∞) (−11, 7) [−11, 7] 81 / 85 Let f : R → R be defined by f(x) = 1 − |x|. Then the range of f is? (−∞, 1] R (−1,∞) (1,∞) 82 / 85 The number of five digit telephone numbers having at least one of their digits repeated is 69760 30240 90000 10000 83 / 85 1 + 3 + 5 + 7 +……. + 17 is equal to 61 81 71 101 84 / 85 The y-intercept of the straight line passing through (1,3) and perpendicular to 2x – 3y + 1= 0 is? 9/2 2/3 3/2 2/9 85 / 85 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 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.