PYQ Vault

Day 185: CBSE Class 10 Maths

5 questions. Try each one first, then open its answer.

  1. Question 1

    Areas Related to Circles. Asked once: 2026

    30
    Chord AB subtends an angle of 120∘120^\circ at the centre O of the circle with radius 212\dfrac{21}{2} cm. Find the perimeter of shaded segment ACB. (Use 3=1.7\sqrt{3} = 1.7)

  2. Question 2

    Arithmetic Progressions. Asked once: 2026

    7
    Which of the following sequence is not an A.P. ?

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  3. Question 3

    Circles. Asked once: 2026

    24
    In the given figure, a circle with centre O is inscribed inside ΔLMN\Delta LMN. A and B are the points of tangency. Find ∠ANB\angle ANB.

  4. Question 4

    Coordinate Geometry. Asked once: 2026

    17
    In the given figure, ΔABC\Delta ABC is an equilateral triangle. AD is a median of the triangle joining the points A(0,532)A\left(0, \dfrac{5\sqrt{3}}{2}\right), D(0,0)D(0, 0). Points B and C are (in same order) :

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  5. Question 5

    Introduction to Trigonometry. Asked once: 2026

    24 (B)
    If cot⁡θ=78\cot\theta = \dfrac{7}{8}, then find the value of (1+sin⁡θ)(1−sin⁡θ)(1+cos⁡θ)(1−cos⁡θ)\dfrac{(1 + \sin\theta)(1 - \sin\theta)}{(1 + \cos\theta)(1 - \cos\theta)}.