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questions
List of practice Questions
If \( \sin 48^\circ = p \), then the value of \( \tan 48^\circ \) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
If \( \tan 27^\circ \cdot \tan 63^\circ = \sin A \), then the value of \(A\) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
If the radius of a wheel is \( \dfrac{35}{44} \) metre, then the distance covered in \(2\) revolutions is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Mensuration
If \(O\) is the centre and \(r\) is the radius of a circle and \(\angle AOB=\theta\) (in degrees), then the length of arc \(AB\) is equal to:
Bihar Board X - 2023
Bihar Board X
Mathematics
Mensuration
How many solid spheres of radius \(1\) cm can be made from a solid sphere of radius \(8\) cm (assuming no loss of material)?
Bihar Board X - 2023
Bihar Board X
Mathematics
Mensuration
The base diameter of a cone is \(10\) cm and its height is \(12\) cm. Then the volume of the cone is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Mensuration
Evaluate \( \dfrac{\cos 60^\circ + 1}{\cos 60^\circ - 1} \).
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
If \( \dfrac{A}{5} = 12^\circ \), then the value of \( 3\csc^{2} A \) will be:
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
Evaluate \( \sin 54^\circ - \cos 36^\circ \).
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
Evaluate \( \cos 1^\circ \cdot \cos 2^\circ \cdot \cos 3^\circ \cdots \cos 90^\circ \).
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
The value of \( \dfrac{\cos 37^\circ}{\sin 53^\circ} + \dfrac{\cot 34^\circ}{\tan 56^\circ} \) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
Evaluate \(2(\sin 45^\circ - \cos 45^\circ)\).
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
The value of \( \csc^{2}\theta - \cot^{2}\theta \) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Trigonometry
If one root of the quadratic equation \(2x^2 + px - 3 = 0\) is \(-3\), then the value of \(p\) will be:
Bihar Board X - 2023
Bihar Board X
Mathematics
Quadratic Equations
For what values of \(k\) are the roots of the quadratic equation \(9x^2 + 3kx + 4 = 0\) real and equal?
Bihar Board X - 2023
Bihar Board X
Mathematics
Quadratic Equations
If \( \alpha, \beta \) are the roots of the equation \( x^2 + 3px + 2p^2 = 0 \) and \( \alpha^2 + \beta^2 = 5 \), then the value of \(p\) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Quadratic Equations
The roots of the quadratic equation \(a^{2}p^{2}x^{2}-q^{2}=0\) are:
Bihar Board X - 2023
Bihar Board X
Mathematics
Quadratic Equations
The ratio of the sum of the roots and the product of the roots of the quadratic equation \(x^2 - 15x + 50 = 0\) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Quadratic Equations
If \(-5\) and \(-1\) are the roots of a quadratic equation, then the equation will be:
Bihar Board X - 2023
Bihar Board X
Mathematics
Quadratic Equations
The mid-point of the line segment joining the points \( (-2, 8) \) and \( (-6, -4) \) lies in which quadrant?
Bihar Board X - 2023
Bihar Board X
Mathematics
Coordinate Geometry
If \( P(0,0) \), \( Q(8,0) \) and \( R(0,12) \) are the vertices of \( \triangle PQR \), then the area of \( \triangle PQR \) is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Coordinate Geometry
The coordinates of the vertices of a triangle are \( (0,6) \), \( (0,0) \) and \( (8,0) \). Then the perimeter of the triangle is:
Bihar Board X - 2023
Bihar Board X
Mathematics
Coordinate Geometry
If the graphs of two linear equations are coincident lines, then how many solutions do they have?
Bihar Board X - 2023
Bihar Board X
Mathematics
Linear Equations
The graphs of the equations \(2x - y - 3 = 0\) and \(12x + 7y - 5 = 0\) are which type of straight lines?
Bihar Board X - 2023
Bihar Board X
Mathematics
Linear Equations
Which type of straight line will be the graph of \( x - y = 0 \)?
Bihar Board X - 2023
Bihar Board X
Mathematics
Linear Equations
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