List of top Mathematics Questions asked in Bihar Board Class X Exam

Two similar triangles have perimeters \(30\) cm and \(20\) cm. If a side of the first triangle is \(18\) cm, the corresponding side of the second is:
If \(130 = 15 \times 8 + 10\) and \(15 = 5 \times 3 + 0\), then \(\mathrm{HCF}(130,\,15)\) will be:
Simplify \(1-\sin^{4}\theta\):
The sum of a rational number and an irrational number is which type of number?
The HCF of two consecutive even numbers is:
If \(q\) is a positive integer, which of the following is {not an odd positive integer?}
Which of the following has a terminating decimal expansion?
If in the division algorithm \(a=bq+r\), \(a=72\), \(q=8\) and \(r=0\), then what is the value of \(b\)?
What is the exponent of \(2\) in the prime factorization of \(192\)?
\(\dfrac{\sqrt{81}}{2}\) is:
The external radius of a metallic pipe is \(4\) cm and its internal radius is \(3\) cm. If its length is \(10\) cm, then the volume of metal is:
The areas of the bases of a cone and a cylinder are equal and their curved surface areas are also equal. If the height of the cylinder is \(2\) metre, then the slant height of the cone is:
If the volume of a cube is \(125\ \text{cm}^3\) then the ratio of the side of the cube and the space diagonal of the cube is:
If the total surface area of a hemisphere is \(462\ \text{cm}^2\), then its diameter is:
The radii of two cylinders are in the ratio \(2:3\) and their heights are in the ratio \(5:3\). Then the ratio of their volumes is:
If the radius of a sphere becomes \(3\) times, then its volume will become:
If the radius of a wheel is \( \dfrac{35}{44} \) metre, then the distance covered in \(2\) revolutions is:
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:
How many solid spheres of radius \(1\) cm can be made from a solid sphere of radius \(8\) cm (assuming no loss of material)?
The base diameter of a cone is \(10\) cm and its height is \(12\) cm. Then the volume of the cone is:
If \( \sin 48^\circ = p \), then the value of \( \tan 48^\circ \) is:
If \( \tan 27^\circ \cdot \tan 63^\circ = \sin A \), then the value of \(A\) is:
Evaluate \( \dfrac{\cos 60^\circ + 1}{\cos 60^\circ - 1} \).
If \( \dfrac{A}{5} = 12^\circ \), then the value of \( 3\csc^{2} A \) will be:
Evaluate \( \sin 54^\circ - \cos 36^\circ \).