List of top Questions asked in CBSE Class X- 2026

Which of the following sequence is not an A.P. ?

From a point on the ground, which is 60 m away from the foot of a vertical tower, the angle of elevation of the top of the tower is found to be \(45^\circ\). The height (in metres) of the tower is :

The distance of the point A(4a, 3a) from x-axis is :

In the given figure, PA and PB are tangents to a circle centred at O. If \(\angle AOB = 130^\circ\), then \(\angle APB\) is equal to :

In triangles ABC and PQR, \(\angle A = \angle Q\) and \(\angle B = \angle R\), then AB : AC is equal to :

The mean and median of a frequency distribution are 43 and 43.4 respectively. The mode of the distribution is :

Assertion (A) : The mean of first 'n' natural numbers is \(\frac{n - 1}{2}\).
Reason (R) : The sum of first 'n' natural numbers is \(\frac{n(n + 1)}{2}\).

In the given figure, PA and PB are tangents to a circle centred at O. If \(\angle OAB = 15^\circ\), then \(\angle APB\) equals :

If \(\alpha\) and \(\beta\) are two zeroes of a polynomial \(f(x) = px^2 - 2x + 3p\) and \(\alpha + \beta = \alpha\beta\), then value of p is :

If \(\cos A = \frac{4}{5}\), then the value of \(\tan A\) is :

If \(2 \sin A = 1\), then the value of \(\tan A + \cot A\) is :

The LCM of 960 and 240 is :

The graph of y = f(x) is given. The number of distinct zeroes of y = f(x) is :

The probability for a randomly selected number out of 1, 2, 3, 4, ..., 25 to be a composite number is :

A die is thrown once. Probability of getting a number other than 3 is :

If a pair of linear equations in two variables is represented by two coincident lines, then the pair of equations has :

In the given figure, \(O\) is the centre of circle. \(XYZ\) is an arc of the circle subtending an angle of \(45^{\circ}\) at the centre. If the radius of the circle is 32 cm, then the length of the arc \(XYZ\) is :

If \(\Delta ABC\) and \(\Delta DEF\) are similar such that \(2 AB = DE\) and \(BC = 8\) cm, then \(EF\) is equal to :

The common difference of the AP : \(\sqrt{2}, 2\sqrt{2}, 3\sqrt{2}, 4\sqrt{2}, \dots\) is :

The string of a flying kite is tied to a point on the ground. The length of the string between the kite and the point on the ground is 80 m. The string makes an angle of \(30^{\circ}\) with the ground. The height of the kite above the ground is :

In the given figure, \(PA\) is a tangent from an external point \(P\) to a circle with centre \(O\). If \(\angle POB = 125^{\circ}\), then \(\angle APO\) is equal to :

For any natural number \(n\), \(6^{n}\) ends with the digit :

If the mean and mode of a data are 12 and 21 respectively, then its median is :

If \(TP\) and \(TQ\) are two tangents to a circle with centre \(O\) from an external point \(T\) so that \(\angle POQ = 120^{\circ}\), then \(\angle PTQ\) is equal to :

The radius of a sphere (in cm) whose volume is \(36 \pi \text{ cm}^{3}\), is :