List of top Questions asked in Bihar Board X - 2026

Solve the pair of linear equations $4x - 5y = 20$ and $3x + 5y = 15$ using the graphical method.
What is the degree of the polynomial $(x + 3)(x - 8)$?
Which of the following is an irrational number? (A) $2.3$, (B) $\sqrt{13} \times \sqrt{13}$, (C) $\sqrt{441}$
The difference of squares of two numbers is 180. If the square of the smaller number is 8 times the larger number, find both numbers.
Find the HCF of $m$ and $n$ if both are prime numbers.
What is the value of $\sin 90^\circ + \cos 0^\circ$?
Find the distance of point $P(3, 4)$ from the origin.
Find the HCF of 36, 54, and 90 using the prime factorization method.
Find the zeroes of the polynomial $2x^2 - 6$.
If $540 = 2^x \times 3^y \times 5^z$, find the value of $x + y - z$.
Who among the following was a moderate leader?
Which of the following soils is formed by the disintegration of basalt?
How many princely states were there in India before independence?
How many princely states were there in India before independence?
What is the reason for the disruption of normal communication system?
Which is the most destructive earthquake wave?
Which is the most destructive earthquake wave?
Damodar River is the main cause of flood in which state?
Which is the apex body for disaster management in India?
Who tried to calculate national income before independence?
Public welfare is the objective of which economy?
Who was the Chancellor of Austria?
What percentage of total water is in the ocean?
In which season are Rabi crops sown?
Which of the following is the source of non-institutional finance?