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

Which of the following is a quadratic equation?
If one root of the quadratic equation \( x^2 + 2kx + 4 = 0 \) is 2, then the value of \( k \) is:
For what value of \( p \), the roots of the quadratic equation \( px^2 - 2x + 3 = 0 \) are real and equal?
What is the nature of the roots of the quadratic equation \( 6x^2 - 3x + 5 = 0 \)?
If one root of the quadratic equation \( x^2 + x - 20 = 0 \) is 4, then the other root is:
If the curved surface area of a cylinder is 1760 cm\(^2\) and its radius is 14 cm, then its height is:
The volume of a cone is \( 1570 \, cm^3 \). If the area of its base is \( 314 \, cm^2 \), then its height is:
The external radius of a pipe of metal is 4 cm and internal radius is 3 cm. If its length is 10 cm, then the volume of metal is:
If \( r \) is the radius of the base of a cone and \( l \) is its slant height, then the curved surface area of the cone is:
The total surface area of a hemisphere of diameter 14 cm is:
If \( 2r \) is the radius of a sphere, then its volume is:
What is the probability of not getting an odd number in a throw of a die once?
In the throw of two dice, the number of possible outcomes is:
Which of the following numbers cannot be the probability of an event?
Three cubes of metal with edges 3 cm, 4 cm, and 5 cm respectively are melted to form a single cube. What is the lateral surface area of the new formed cube?
The length, breadth, and height of a cuboid are 15 m, 6 m, and 5 m respectively. Then the lateral surface area of the cuboid is
How many cubes of side 4 cm can be formed from a cube of side 8 cm?
The radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. The ratio of their volumes is
If \( P(E) = 0.4 \), then the value of \( P(E') \) is:
What is the probability of an impossible event?
The mean of the first ten consecutive odd numbers is:
The median of 15, 6, 16, 8, 22, 21, 9, 18, 25 is:
The mode of 0, 6, 5, 1, 6, 4, 3, 0, 2, 6 is:
The median and mode of a frequency distribution are 48:64 and 46:52 respectively. Then its mean is:
If the mean of five observations \(x\), \(x + 2\), \(x + 4\), \(x + 6\), and \(x + 8\) is 11, then the value of \(x\) is: