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 one of the lines given by 6x² – xy + 4cy² = 0 is 3x + 4y = 0;, then c equals to? 3 -1 1 -3 2 / 85 The rule f(x) = x² is a bijection if the domain and the co-domain are given by? R, (0,∞) [0,∞), [0,∞) R,R (0,∞),R 3 / 85 1 + 3 + 5 + 7 +……. + 17 is equal to 61 71 81 101 4 / 85 Straight line joining the points (2, 3) and (-1 ,4) passes through the point (α, β ) if? 3α + β = 9 3α + β = 11 α + 2β = 7 α + 3β = 11 5 / 85 The equation of the locus of the point whose distance from y-axis is half the distance from origin is? 3x² + y² = 0 3x² -y² = 0 x² -3y² = 0 x² + 3y² = 0 6 / 85 The value of logₐ b logb c logc a is? 3 4 1 2 7 / 85 For non-empty sets A and B, if A ⊂ B then (A × B) ∩ (B × A) is equal to A ∩ B none of these A × A B × B 8 / 85 Which of the following point lie on the locus of 3x² + 3y² – 8x – 12y + 17=0? (1,2) (-2,3) (0,0) (0,-1) 9 / 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 ? 5/9 1 1/9 -1/9 10 / 85 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 11 / 85 The length of ┴ from the origin to the line x/3 – y/4 = 1 is? -5/12 12/5 11/5 5/12 12 / 85 If f (x) = x + 2, then f ‘(f (x)) at x = 4 is 4 5 8 1 13 / 85 If 3 is the logarithm of 343, then the base is? 9 7 5 6 14 / 85 The solution of 5x − 1 < 24 and 5x + 1 > −24 is? (4, 5) (−5, 4) (−5,−4) (−5, 5) 15 / 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 6/7 -7/6 16 / 85 The sum of an infinite GP is 18. If the first term is 6, the common ratio is? 3/4 1/6 1/3 2/3 17 / 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) 18 / 85 The number of constant functions from a set containing m elements to a set containing n elements is? m + n m mn n 19 / 85 (1 + cos π / 8) (1 + cos 3π / 8) (1 + cos 5π / 8) (1 + cos 7π / 8) = 1 /√2 1 / 2 1 / √3 1 / 8 20 / 85 The value of (1/2!) + (1/4!) + (1/6!) + ….. Is? (e -1)² / 2e (e + 1)² / 2e e² – 1 / 2e e² + 1 / 2e 21 / 85 The range of the function f(x) = | [x] − x|, x ∈ R is? [0, 1) [0,∞) (0, 1) [0, 1] 22 / 85 If cos 28⁰ + sin 28⁰ = k³,then cos 17⁰ is equal to? ± k³ / √2 -k³ / √3 k³ / √2 -k³ / √2 23 / 85 Which of the following is not true ? cos θ = -1 sec θ = 1/4 tan θ = 25 sin θ = -3/4 24 / 85 The sum up to n terms of the series √2 + √8 + √18 + √32 + ….. is? 2n (n + 1) n(n + 1) / √2 1 n(n + 1) / 2 25 / 85 The value of log₃ 1/81 is? -2 -4 -8 -9 26 / 85 The number of relations on a set containing 3 elements is? 81 512 9 1024 27 / 85 Let f : R → R be defined by f(x) = 1 − |x|. Then the range of f is? (1,∞) (−1,∞) (−∞, 1] R 28 / 85 Let A and B be subsets of the universal set N, the set of natural numbers. Then A’ ∪[(A∩B)∪B’] is? B N A’ A 29 / 85 If tan 40⁰ = λ, then (tan 140⁰ – tan 130⁰ / 1 + tan 140⁰ tan 130⁰) = 1 – λ² / λ 1 + λ² / λ 1 – λ² / 2λ 1 + λ² / 2λ 30 / 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? transitive symmetric equivalence reflexive 31 / 85 If the point(8,-5) lies on the locus x²/16 – y²/25 = k, then the value of k is? 2 1 zero 3 32 / 85 The number of five digit telephone numbers having at least one of their digits repeated is 30240 69760 10000 90000 33 / 85 Which of the following equation is the locus of (at²; 2at)? y² = 4ax x²/a² – y²/b² = 1 x²/a² + y²/b² = 1 x² + y² = a² 34 / 85 If y = mx + c and f (0) = f ‘(0) =1, then f (2) is -3 3 1 2 35 / 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 1130 1100 insufficient data 1120 36 / 85 The area of the triangle formed by the lines x² – 4y² = 0 and x = a is? 2a² (1/2) a² (2/√3)a² (‘√3/2) a² 37 / 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 38 / 85 The value of 1 – 1/2 (2/3) + 1/3 (2/3)² – 1/4 (2/3)³ + ….. is ? 3/2 log (5/3) 5/3 log (5/3) 2/3 log (2/3) log (5/3) 39 / 85 If the function f : [−3, 3] → S defined by f(x) = x² is onto, then S is? [−3, 3] [−9, 9] [0, 9] R 40 / 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? 25sq.units 20sq.units 4sq.units 16sq.units 41 / 85 The function f : R → R is defined by f(x) = sinx + cos x is? both odd function and even function an odd function neither an odd function nor an even function an even function 42 / 85 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 43 / 85 The image of the point(2,3)in the line y = -x is? (-2, -3) (-3, -2) (-3, 2) (3, 2) 44 / 85 If |x + 2| ≤ 9, then x belongs to? (−∞,−7) [−11, 7] (−∞,−7) ∪ [11,∞) (−11, 7) 45 / 85 If A = {(x, y) : y = sinx, x ∈ R} and B = {(x, y) : y = cos x, x ∈ R} then A ∩ B contains? no element infinitely many elements only one element cannot be determined 46 / 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? a function which is not one-to-one an onto function not a function an one-to-one function 47 / 85 The value of the series (1/2) + (7/4) + (13/8) + (19/16) + …. is ? 6 14 4 7 48 / 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 = 3/2 k = 3 k = 1/3 k = 2/3 49 / 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 50 / 85 The slope of the line which makes an angle 45⁰ with the line 3x – y = -5 are? 2, -1/2 1, -1 1/2, -2 1, 1/2 51 / 85 The range of the function 1 / 1-2 sin x is? (−∞,−1] ∪ [1/3 , ∞) (−∞,−1) ∪ (1/3 , ∞) [-1, 1/3] (-1, 1/3) 52 / 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? S is an equivalence relation but T is not an equivalence relation Both S and T are equivalence relation T is an equivalence relation but S is not an equivalence relation Neither S nor T is an equivalence relation 53 / 85 If A and B are symmetric matrices of order n, where (A ≠ B), then A + B is skew-symmetric A + B is symmetric A + B is a diagonal matrix A + B is a zero matrix 54 / 85 1 / cos 80⁰ – √3/sin 80⁰ = ? √3 4 √2 2 55 / 85 If kx / (x+2) (x-1) = 2/x+2 + 1/ x-1, then the value of k is? 2 1 3 4 56 / 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 57 / 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, 2 9, 1 -1, 1 -1, 2 58 / 85 The value of log√2 512 is? 9 18 16 12 59 / 85 One of the equation of the lines given by x² + 2xy cot θ – y² = 0 is? x cos θ + y (sin θ + 1) = 0 x – y cot θ = 0 x + y tan θ = 0 x sin θ + y ( cos θ + 1) = 0 60 / 85 The derivative of f (x) = x | x | at x = −3 is does not exist -6 6 Zero 61 / 85 The solution set of the following inequality |x − 1| ≥ |x − 3| is ? (0, 2) [2,∞) (−∞, 2) [0, 2] 62 / 85 If pv = 81, then dp/dv at v = 9 is 1 -1 2 -2 63 / 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? 2 1 zero 4 64 / 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? √(k − 8c) √(4c − k²) √(k² − 4c) √(4k² − c) 65 / 85 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 66 / 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 36 108 18 432 67 / 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 10 -8 6 68 / 85 The y-intercept of the straight line passing through (1,3) and perpendicular to 2x – 3y + 1= 0 is? 9/2 2/9 2/3 3/2 69 / 85 The maximum value of 4 sin² x + 3cos² x + sin x/2 + cos x/2 is? 3 + √2 4 + √2 9 4 70 / 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 71 / 85 The point on the line 2x – 3y = 5 is equidistance from (1,2) and (3, 4) is? (1, -1) (4, 1) (7, 3) (-2, 3) 72 / 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 = {(0, 0), (0,−1), (0, 1), (−1, 0), (−1, 1), (1, 2), (1, 0)} Range of R is {0,−1, 1} R⁻¹ = {(0, 0), (0,−1), (0, 1), (−1, 0), (1, 0)} 73 / 85 The coefficient of x⁵ in the series e⁻²ˣ is? 2/3 -4/15 4/15 3/2 74 / 85 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 75 / 85 The function f : [0, 2π] → [−1, 1] defined by f(x) = sinx is? one-to-one bijection cannot be defined onto 76 / 85 cos 1⁰ + cos2⁰ + cos3⁰ +……..+ cos179⁰ =? 1 89 -1 zero 77 / 85 Let R be the universal relation on a set X with more than one element. Then R is? not symmetric transitive none of the above not reflexive 78 / 85 If |x – 2| / x – 2 ≥ 0, then x belongs to? (2,∞) (−2,∞) (−∞, 2) [2,∞) 79 / 85 If π < 2θ < 3π/2, then √(2√(2 + 2 cos 4θ equals to? 2 cosθ -2 sinθ 2 sinθ – 2 cosθ 80 / 85 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 Number of columns of A is equal to the number of rows of B A = B 81 / 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 +1 = 0 x + y + 3 = 0 x+ y = 1 x – y + 3 = 0 82 / 85 The number of solutions of x² + |x − 1| = 1 is ? zero 1 3 2 83 / 85 Straight line joining the points (2, 3) and (-1, 4) passes through the point (α, β) if α + 2β = 7 α + 3β = 11 3α + β = 9 3α + 3β = 11 84 / 85 If log√x 0.25 = 4, then the value of x is? 1.25 2.5 0.5 1.5 85 / 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 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.