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This mock test includes actual CBSE Class 12 Maths board exam questions from the year 2020 set-4, helping students understand exam trends and practice real paper format
Duration
30 min
Questions
30
Marking
Negative
The two planes x – 2y + 4z = 10 and 18x + 17y + kz = 50 are perpendicular, if k is equal to
If A = [2 -3 4], B = [3 2 2], X = [1 2 3] and Y = [2 3 4], then AB + XY equals
The value of sin–1(cos 3π/5) is
From the set {1,2,3,4,5}, two numbers a and b (a ≠ b) are chosen at random. The probability that a/b is an integer is
The value of tan–1(1/2 cos–1(5/3)) is
If a . b = 1/2 |a| |b|, then the angle between a and b is
The two lines x = ay + b, z = cy + d; and x = a'y + b', z = c'y + d' are perpendicular to each other, if
The two planes x – 2y + 4z = 10 and 18x + 17y + kz = 50 are perpendicular, if k is equal to
From the set {1, 2, 3, 4, 5}, two numbers a and b (a ≠ b) are chosen at random. The probability that a/b is an integer is
The number of points at which zmax occurs in a linear programming problem (LPP) if the objective function has the same maximum value at two corner points of the feasible region is
If A = [2 -3 4], B = [3 2 2], X = [1 2 3] and Y = [2 3 4], then AB + XY equals
The value of sin–1(cos 3π/5) is
The two planes x – 2y + 4z = 10 and 18x + 17y + kz = 50 are perpendicular, if k is equal to
The value of tan–1(1/2 cos–1(5/3)) is
If a . b = 1/2 |a| |b|, then the angle between a and b is
The two lines x = ay + b, z = cy + d; and x = a'y + b', z = c'y + d' are perpendicular to each other, if
If the set {1,2,3,4,5} is considered, what is the probability that a randomly selected number is an integer?
The probability that a randomly selected number from the set {1,2,3,4,5} is an integer is
From the set {1,2,3,4,5}, two numbers a and b (a ≠ b) are chosen at random. The probability that a/b is an integer is
The value of sin–1(cos 3π/5) is
The probability that a randomly selected number from the set {1,2,3,4,5} is an integer is
The value of tan–1(1/2 cos–1(5/3)) is
The two lines x = ay + b, z = cy + d; and x = a'y + b', z = c'y + d' are perpendicular to each other, if
The value of sin–1(cos 3π/5) is
The probability that a randomly selected number from the set {1,2,3,4,5} is an integer is
The value of tan–1(1/2 cos–1(5/3)) is
The two lines x = ay + b, z = cy + d; and x = a'y + b', z = c'y + d' are perpendicular to each other, if
The value of sin–1(cos 3π/5) is
The probability that a randomly selected number from the set {1,2,3,4,5} is an integer is
The two planes x – 2y + 4z = 10 and 18x + 17y + kz = 50 are perpendicular, if k is equal to