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? 2ⁿ – n – 1 2 ⁿ ⁻ ˡ 1 – 2 ⁻ ⁿ 2 ⁻ ⁿ + n – 1 2 / 84 Let A and B be subsets of the universal set N, the set of natural numbers. Then A’ ∪[(A∩B)∪B’] is? A B A’ N 3 / 84 The number of points in R in which the function f (x) =| x −1| + | x − 3| +sin x is not differentiable, is 3 2 1 4 4 / 84 Given that x, y and b are real numbers x < y,b > 0, then? xb > yb (x/b) ≥ (y/b) xb < yb xb ≤ yb 5 / 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) √(k − 8c) √(4c − k²) √(k² − 4c) 6 / 84 Let R be the universal relation on a set X with more than one element. Then R is? transitive not symmetric not reflexive none of the above 7 / 84 The length of ┴ from the origin to the line x/3 – y/4 = 1 is? -5/12 12/5 11/5 5/12 8 / 84 1 / cos 80⁰ – √3/sin 80⁰ = ? 4 √3 2 √2 9 / 84 For non-empty sets A and B, if A ⊂ B then (A × B) ∩ (B × A) is equal to A ∩ B B × B none of these A × A 10 / 84 The solution of 5x − 1 < 24 and 5x + 1 > −24 is? (−5, 5) (−5, 4) (−5,−4) (4, 5) 11 / 84 If π < 2θ < 3π/2, then √(2√(2 + 2 cos 4θ equals to? 2 cosθ -2 sinθ – 2 cosθ 2 sinθ 12 / 84 If |x + 2| ≤ 9, then x belongs to? [−11, 7] (−11, 7) (−∞,−7) (−∞,−7) ∪ [11,∞) 13 / 84 Let f : R → R be defined by f(x) = 1 − |x|. Then the range of f is? (−1,∞) (1,∞) R (−∞, 1] 14 / 84 Straight line joining the points (2, 3) and (-1 ,4) passes through the point (α, β ) if? 3α + β = 9 α + 3β = 11 3α + β = 11 α + 2β = 7 15 / 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 16 / 84 The point on the line 2x – 3y = 5 is equidistance from (1,2) and (3, 4) is? (7, 3) (1, -1) (4, 1) (-2, 3) 17 / 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)} Domain of R is {0,−1, 1, 2} Range of R is {0,−1, 1} R = {(0, 0), (0,−1), (0, 1), (−1, 0), (−1, 1), (1, 2), (1, 0)} 18 / 84 The sum up to n terms of the series √2 + √8 + √18 + √32 + ….. is? 1 2n (n + 1) n(n + 1) / √2 n(n + 1) / 2 19 / 84 If A = {(x, y) : y = eˣ, x ∈ R} and B = {(x, y) : y = e⁻ˣ, x ∈ R} then n(A ∩ B) is? Zero 2 Infinity 1 20 / 84 The image of the point(2,3)in the line y = -x is? (-3, 2) (3, 2) (-2, -3) (-3, -2) 21 / 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 9, 1 -1, 2 1, 2 22 / 84 If f (x) = x + 2, then f ‘(f (x)) at x = 4 is 8 5 4 1 23 / 84 The function f : R → R is defined by f(x) = sinx + cos x is? neither an odd function nor an even function an even function an odd function both odd function and even function 24 / 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 symmetric transitive reflexive 25 / 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 26 / 84 The slope of the line which makes an angle 45⁰ with the line 3x – y = -5 are? 2, -1/2 1/2, -2 1, -1 1, 1/2 27 / 84 If cos 28⁰ + sin 28⁰ = k³,then cos 17⁰ is equal to? -k³ / √2 ± k³ / √2 k³ / √2 -k³ / √3 28 / 84 Which of the following equation is the locus of (at²; 2at)? y² = 4ax x²/a² – y²/b² = 1 x² + y² = a² x²/a² + y²/b² = 1 29 / 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 30 / 84 The sum of an infinite GP is 18. If the first term is 6, the common ratio is? 1/3 2/3 1/6 3/4 31 / 84 If A and B are two matrices such that A + B and AB are both defined, then Number of columns of A is equal to the number of rows of B A and B are square matrices of same order A and B are two matrices not necessarily of same order A = B 32 / 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 33 / 84 If 3 is the logarithm of 343, then the base is? 9 5 7 6 34 / 84 The number of five digit telephone numbers having at least one of their digits repeated is 30240 69760 90000 10000 35 / 84 The derivative of f (x) = x | x | at x = −3 is -6 does not exist 6 Zero 36 / 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 = 1/3 k = 3 k = 3/2 k = 2/3 37 / 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 1120 1100 1130 38 / 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 -8, 8 10 -8 39 / 84 cos 1⁰ + cos2⁰ + cos3⁰ +……..+ cos179⁰ =? -1 89 1 zero 40 / 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 4sq.units 16sq.units 41 / 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 18 432 108 42 / 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 one-to-one function an onto function a function which is not one-to-one not a function 43 / 84 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 44 / 84 Straight line joining the points (2, 3) and (-1, 4) passes through the point (α, β) if 3α + β = 9 3α + 3β = 11 α + 2β = 7 α + 3β = 11 45 / 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 46 / 84 The range of the function f(x) = | [x] − x|, x ∈ R is? [0, 1) [0,∞) (0, 1) [0, 1] 47 / 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 x – 2y = √5 2x – y = √5 2x – y = 5 48 / 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 49 / 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 a diagonal matrix A + B is skew-symmetric 50 / 84 The value of 1 – 1/2 (2/3) + 1/3 (2/3)² – 1/4 (2/3)³ + ….. is ? 3/2 log (5/3) 2/3 log (2/3) 5/3 log (5/3) log (5/3) 51 / 84 The line (p + 2q)x + (p – 3q)y = p – q for different values of p and q passes through the point? (3/5, 3/5) (3/2, 5/2) (2/5, 2/5) (2/5, 3/5) 52 / 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 53 / 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 4 zero 2 54 / 84 1 + 3 + 5 + 7 +……. + 17 is equal to 71 101 61 81 55 / 84 The intercepts of the perpendicular bisector of the line segment joining(1,2)and(3,4)with coordinate axes are? 5, -4 5, 3 5, -5 5, 5 56 / 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 57 / 84 The solution set of the following inequality |x − 1| ≥ |x − 3| is ? (0, 2) (−∞, 2) [0, 2] [2,∞) 58 / 84 If log√x 0.25 = 4, then the value of x is? 2.5 0.5 1.25 1.5 59 / 84 The number of solutions of x² + |x − 1| = 1 is ? 2 zero 1 3 60 / 84 If y = mx + c and f (0) = f ‘(0) =1, then f (2) is -3 1 3 2 61 / 84 If |x – 2| / x – 2 ≥ 0, then x belongs to? [2,∞) (−2,∞) (−∞, 2) (2,∞) 62 / 84 If the function f : [−3, 3] → S defined by f(x) = x² is onto, then S is? R [−3, 3] [0, 9] [−9, 9] 63 / 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 cot θ = 0 x + y tan θ = 0 64 / 84 If pv = 81, then dp/dv at v = 9 is -1 -2 1 2 65 / 84 Which of the following point lie on the locus of 3x² + 3y² – 8x – 12y + 17=0? (0,0) (1,2) (0,-1) (-2,3) 66 / 84 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 67 / 84 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 68 / 84 The value of (1/2!) + (1/4!) + (1/6!) + ….. Is? e² – 1 / 2e (e + 1)² / 2e e² + 1 / 2e (e -1)² / 2e 69 / 84 The number of constant functions from a set containing m elements to a set containing n elements is? m mn n m + n 70 / 84 Which of the following is not true ? sin θ = -3/4 cos θ = -1 tan θ = 25 sec θ = 1/4 71 / 84 If kx / (x+2) (x-1) = 2/x+2 + 1/ x-1, then the value of k is? 1 4 3 2 72 / 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 S is an equivalence relation but T is not an equivalence relation T is an equivalence relation but S is not an equivalence relation 73 / 84 If one of the lines given by 6x² – xy + 4cy² = 0 is 3x + 4y = 0;, then c equals to? -3 1 -1 3 74 / 84 The function f : [0, 2π] → [−1, 1] defined by f(x) = sinx is? onto cannot be defined one-to-one bijection 75 / 84 The number of relations on a set containing 3 elements is? 9 512 1024 81 76 / 84 The value of log√2 512 is? 12 9 18 16 77 / 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 78 / 84 The value of the series (1/2) + (7/4) + (13/8) + (19/16) + …. is ? 7 14 6 4 79 / 84 The maximum value of 4 sin² x + 3cos² x + sin x/2 + cos x/2 is? 3 + √2 9 4 + √2 4 80 / 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 + 3 = 0 x+ y = 1 x +1 = 0 x – y + 3 = 0 81 / 84 The value of log₃ 1/81 is? -4 -8 -9 -2 82 / 84 The value of logₐ b logb c logc a is? 1 4 3 2 83 / 84 The range of the function 1 / 1-2 sin x is? (-1, 1/3) (−∞,−1] ∪ [1/3 , ∞) [-1, 1/3] (−∞,−1) ∪ (1/3 , ∞) 84 / 84 The coefficient of x⁵ in the series e⁻²ˣ is? -4/15 2/3 4/15 3/2 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.