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