Kerala Board Class 10 Mathematics — Important Questions 2026

Find the 10th term of the arithmetic sequence: 3, 7, 11, 15, ...

In an arithmetic sequence, the 5th term is 17 and the 8th term is 26. What is the common difference?

Which of the following are arithmetic sequences? (Select all correct options)

The first term of an arithmetic sequence is 5 and the common difference is -2. What is the 6th term?

A tangent drawn to a circle at point P makes an angle with the radius OP. What is this angle?

From an external point P, two tangents PA and PB are drawn to a circle. If PA = 8 cm, then PB equals:

In a circle of radius 5 cm, a chord AB subtends an angle of 60° at the center. The angle between tangents drawn at A and B is:

A tangent to a circle can be drawn from:

If an arc subtends a central angle of 80° at the center of a circle, what is the angle subtended by the same arc at any point on the circle (not on the arc)?

In a circle, if a chord subtends an angle of 60° at the center, what angle does it subtend at a point on the major arc?

What is the angle in a semicircle?

In a cyclic quadrilateral ABCD, if ∠A = 70°, what is ∠C?